870748245 has 96 divisors (see below), whose sum is σ = 1731507840. Its totient is φ = 413683200.

The previous prime is 870748231. The next prime is 870748247. The reversal of 870748245 is 542847078.

870748245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 870748245 - 2⁵ = 870748213 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 870748245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870748247) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 827970 + ... + 829020.

It is an arithmetic number, because the mean of its divisors is an integer number (18036540).

Almost surely, 2^870748245 is an apocalyptic number.

870748245 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

870748245 is a deficient number, since it is larger than the sum of its proper divisors (860759595).

870748245 is a wasteful number, since it uses less digits than its factorization.

870748245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 870748245 is about 29508.4436221228. The cubic root of 870748245 is about 954.9138725175.

The spelling of 870748245 in words is "eight hundred seventy million, seven hundred forty-eight thousand, two hundred forty-five".