85718644682 has 16 divisors (see below), whose sum is σ = 140657601600. Its totient is φ = 38854484640.

The previous prime is 85718644681. The next prime is 85718644717. The reversal of 85718644682 is 28644681758.

It is a super-2 number, since 2×85718644682² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85718644681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5418707 + ... + 5434502.

It is an arithmetic number, because the mean of its divisors is an integer number (8791100100).

Almost surely, 2^85718644682 is an apocalyptic number.

85718644682 is a deficient number, since it is larger than the sum of its proper divisors (54938956918).

85718644682 is a wasteful number, since it uses less digits than its factorization.

85718644682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10853581.

The product of its digits is 20643840, while the sum is 59.

The spelling of 85718644682 in words is "eighty-five billion, seven hundred eighteen million, six hundred forty-four thousand, six hundred eighty-two".