8270307445 has 4 divisors (see below), whose sum is σ = 9924368940. Its totient is φ = 6616245952.

The previous prime is 8270307443. The next prime is 8270307469. The reversal of 8270307445 is 5447030728.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1955939076 + 6314368369 = 44226^2 + 79463^2 .

It is a cyclic number.

It is not a de Polignac number, because 8270307445 - 2¹ = 8270307443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8270307398 and 8270307407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8270307443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827030740 + ... + 827030749.

It is an arithmetic number, because the mean of its divisors is an integer number (2481092235).

Almost surely, 2^8270307445 is an apocalyptic number.

It is an amenable number.

8270307445 is a deficient number, since it is larger than the sum of its proper divisors (1654061495).

8270307445 is a wasteful number, since it uses less digits than its factorization.

8270307445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654061494.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 8270307445 is about 90941.2307207242. The cubic root of 8270307445 is about 2022.2765762700.

The spelling of 8270307445 in words is "eight billion, two hundred seventy million, three hundred seven thousand, four hundred forty-five".