86820688088 has 16 divisors (see below), whose sum is σ = 162883295880. Its totient is φ = 43385142528.

The previous prime is 86820688063. The next prime is 86820688127. The reversal of 86820688088 is 88088602868.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 86820688088.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3135545 + ... + 3163112.

Almost surely, 2^86820688088 is an apocalyptic number.

It is an amenable number.

86820688088 is a deficient number, since it is larger than the sum of its proper divisors (76062607792).

86820688088 is a wasteful number, since it uses less digits than its factorization.

86820688088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300386 (or 6300382 counting only the distinct ones).

The product of its (nonzero) digits is 18874368, while the sum is 62.

The spelling of 86820688088 in words is "eighty-six billion, eight hundred twenty million, six hundred eighty-eight thousand, eighty-eight".