85387996592 has 20 divisors (see below), whose sum is σ = 165834099480. Its totient is φ = 42592099968.

The previous prime is 85387996549. The next prime is 85387996597. The reversal of 85387996592 is 29569978358.

It is a super-2 number, since 2×85387996592² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85387996597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6361733 + ... + 6375140.

It is an arithmetic number, because the mean of its divisors is an integer number (8291704974).

Almost surely, 2^85387996592 is an apocalyptic number.

It is an amenable number.

85387996592 is a deficient number, since it is larger than the sum of its proper divisors (80446102888).

85387996592 is a wasteful number, since it uses less digits than its factorization.

85387996592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12737300 (or 12737294 counting only the distinct ones).

The product of its digits is 293932800, while the sum is 71.

The spelling of 85387996592 in words is "eighty-five billion, three hundred eighty-seven million, nine hundred ninety-six thousand, five hundred ninety-two".