86402620808 has 24 divisors (see below), whose sum is σ = 188454696750. Its totient is φ = 37029694464.

The previous prime is 86402620769. The next prime is 86402620817. The reversal of 86402620808 is 80802620468.

It can be written as a sum of positive squares in only one way, i.e., 53212339684 + 33190281124 = 230678^2 + 182182^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110207033 + ... + 110207816.

Almost surely, 2^86402620808 is an apocalyptic number.

It is an amenable number.

86402620808 is an abundant number, since it is smaller than the sum of its proper divisors (102052075942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86402620808 is a wasteful number, since it uses less digits than its factorization.

86402620808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220414869 (or 220414858 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 86402620808 in words is "eighty-six billion, four hundred two million, six hundred twenty thousand, eight hundred eight".