86258520424 has 16 divisors (see below), whose sum is σ = 161742533220. Its totient is φ = 43127178240.

The previous prime is 86258520407. The next prime is 86258520433. The reversal of 86258520424 is 42402585268.

It can be written as a sum of positive squares in 2 ways, for example, as 66579480900 + 19679039524 = 258030^2 + 140282^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76537 + ... + 422344.

Almost surely, 2^86258520424 is an apocalyptic number.

It is an amenable number.

86258520424 is a deficient number, since it is larger than the sum of its proper divisors (75484012796).

86258520424 is a wasteful number, since it uses less digits than its factorization.

86258520424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520500 (or 520496 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 46.

The spelling of 86258520424 in words is "eighty-six billion, two hundred fifty-eight million, five hundred twenty thousand, four hundred twenty-four".