85722928597 has 16 divisors (see below), whose sum is σ = 88747686720. Its totient is φ = 82746018432.

The previous prime is 85722928549. The next prime is 85722928607. The reversal of 85722928597 is 79582922758.

It is a cyclic number.

It is not a de Polignac number, because 85722928597 - 2¹⁵ = 85722895829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85722928517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9474958 + ... + 9484000.

It is an arithmetic number, because the mean of its divisors is an integer number (5546730420).

Almost surely, 2^85722928597 is an apocalyptic number.

It is an amenable number.

85722928597 is a deficient number, since it is larger than the sum of its proper divisors (3024758123).

85722928597 is a wasteful number, since it uses less digits than its factorization.

85722928597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11652.

The product of its digits is 50803200, while the sum is 64.

The spelling of 85722928597 in words is "eighty-five billion, seven hundred twenty-two million, nine hundred twenty-eight thousand, five hundred ninety-seven".