85718481758 has 32 divisors (see below), whose sum is σ = 158268815040. Its totient is φ = 33906470400.

The previous prime is 85718481733. The next prime is 85718481763.

85718481758 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×85718481758² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85718481758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1778198 + ... + 1825766.

It is an arithmetic number, because the mean of its divisors is an integer number (4945900470).

Almost surely, 2^85718481758 is an apocalyptic number.

85718481758 is a deficient number, since it is larger than the sum of its proper divisors (72550333282).

85718481758 is a wasteful number, since it uses less digits than its factorization.

85718481758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57492.

The product of its digits is 20070400, while the sum is 62.

The spelling of 85718481758 in words is "eighty-five billion, seven hundred eighteen million, four hundred eighty-one thousand, seven hundred fifty-eight".