86021770888 has 16 divisors (see below), whose sum is σ = 162798212880. Its totient is φ = 42608914128.

The previous prime is 86021770883. The next prime is 86021770889. The reversal of 86021770888 is 88807712068.

It is not an unprimeable number, because it can be changed into a prime (86021770883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50245506 + ... + 50247217.

It is an arithmetic number, because the mean of its divisors is an integer number (10174888305).

Almost surely, 2^86021770888 is an apocalyptic number.

It is an amenable number.

86021770888 is a deficient number, since it is larger than the sum of its proper divisors (76776441992).

86021770888 is a wasteful number, since it uses less digits than its factorization.

86021770888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100492836 (or 100492832 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 55.

The spelling of 86021770888 in words is "eighty-six billion, twenty-one million, seven hundred seventy thousand, eight hundred eighty-eight".