85439705704 has 16 divisors (see below), whose sum is σ = 168630998400. Its totient is φ = 40471439472.

The previous prime is 85439705623. The next prime is 85439705717. The reversal of 85439705704 is 40750793458.

It is a super-2 number, since 2×85439705704² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281051512 + ... + 281051815.

It is an arithmetic number, because the mean of its divisors is an integer number (10539437400).

Almost surely, 2^85439705704 is an apocalyptic number.

It is an amenable number.

85439705704 is a deficient number, since it is larger than the sum of its proper divisors (83191292696).

85439705704 is a wasteful number, since it uses less digits than its factorization.

85439705704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562103352 (or 562103348 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 85439705704 in words is "eighty-five billion, four hundred thirty-nine million, seven hundred five thousand, seven hundred four".