86725979841 has 16 divisors (see below), whose sum is σ = 122539656960. Its totient is φ = 54462065280.

The previous prime is 86725979831. The next prime is 86725979849. The reversal of 86725979841 is 14897952768.

It is a de Polignac number, because none of the positive numbers 2^k-86725979841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86725979849) 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, 12153145 + ... + 12160278.

It is an arithmetic number, because the mean of its divisors is an integer number (7658728560).

Almost surely, 2^86725979841 is an apocalyptic number.

It is an amenable number.

86725979841 is a deficient number, since it is larger than the sum of its proper divisors (35813677119).

86725979841 is a wasteful number, since it uses less digits than its factorization.

86725979841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24313496.

The product of its digits is 60963840, while the sum is 66.

The spelling of 86725979841 in words is "eighty-six billion, seven hundred twenty-five million, nine hundred seventy-nine thousand, eight hundred forty-one".