8712860445 has 32 divisors (see below), whose sum is σ = 15642915840. Its totient is φ = 4600843200.

The previous prime is 8712860441. The next prime is 8712860449. The reversal of 8712860445 is 5440682178.

8712860445 is a `hidden beast` number, since 87 + 128 + 6 + 0 + 445 = 666.

8712860445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8712860441) and next prime (8712860449).

It is not a de Polignac number, because 8712860445 - 2² = 8712860441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8712860445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8712860441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305869 + ... + 333138.

It is an arithmetic number, because the mean of its divisors is an integer number (488841120).

Almost surely, 2^8712860445 is an apocalyptic number.

It is an amenable number.

8712860445 is a deficient number, since it is larger than the sum of its proper divisors (6930055395).

8712860445 is a wasteful number, since it uses less digits than its factorization.

8712860445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639122 (or 639116 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 8712860445 is about 93342.7042944439. The cubic root of 8712860445 is about 2057.7230351722.

The spelling of 8712860445 in words is "eight billion, seven hundred twelve million, eight hundred sixty thousand, four hundred forty-five".