85727578597 has 8 divisors (see below), whose sum is σ = 90828331776. Its totient is φ = 80633264832.

The previous prime is 85727578567. The next prime is 85727578609. The reversal of 85727578597 is 79587572758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85727578597 - 2³⁵ = 51367840229 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 (85727578507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582423 + ... + 1635700.

It is an arithmetic number, because the mean of its divisors is an integer number (11353541472).

Almost surely, 2^85727578597 is an apocalyptic number.

It is an amenable number.

85727578597 is a deficient number, since it is larger than the sum of its proper divisors (5100753179).

85727578597 is a wasteful number, since it uses less digits than its factorization.

85727578597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219707.

The product of its digits is 345744000, while the sum is 70.

The spelling of 85727578597 in words is "eighty-five billion, seven hundred twenty-seven million, five hundred seventy-eight thousand, five hundred ninety-seven".