85872858723 has 16 divisors (see below), whose sum is σ = 127227962400. Its totient is φ = 57244561920.

The previous prime is 85872858707. The next prime is 85872858737. The reversal of 85872858723 is 32785827858.

85872858723 is a `hidden beast` number, since 8 + 5 + 8 + 7 + 28 + 587 + 23 = 666.

It is not a de Polignac number, because 85872858723 - 2⁴ = 85872858707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85872854723) 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, 310143 + ... + 517623.

It is an arithmetic number, because the mean of its divisors is an integer number (7951747650).

Almost surely, 2^85872858723 is an apocalyptic number.

85872858723 is a deficient number, since it is larger than the sum of its proper divisors (41355103677).

85872858723 is a wasteful number, since it uses less digits than its factorization.

85872858723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222819 (or 222813 counting only the distinct ones).

The product of its digits is 60211200, while the sum is 63.

The spelling of 85872858723 in words is "eighty-five billion, eight hundred seventy-two million, eight hundred fifty-eight thousand, seven hundred twenty-three".