86684357888 has 18 divisors (see below), whose sum is σ = 173030105514. Its totient is φ = 43342178816.

The previous prime is 86684357863. The next prime is 86684357911. The reversal of 86684357888 is 88875348668.

It can be written as a sum of positive squares in only one way, i.e., 58471108864 + 28213249024 = 241808^2 + 167968^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169305131 + ... + 169305642.

Almost surely, 2^86684357888 is an apocalyptic number.

It is an amenable number.

86684357888 is a deficient number, since it is larger than the sum of its proper divisors (86345747626).

86684357888 is an equidigital number, since it uses as much as digits as its factorization.

86684357888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338610789 (or 338610775 counting only the distinct ones).

The product of its digits is 495452160, while the sum is 71.

The spelling of 86684357888 in words is "eighty-six billion, six hundred eighty-four million, three hundred fifty-seven thousand, eight hundred eighty-eight".