86389881012 has 36 divisors (see below), whose sum is σ = 218383497696. Its totient is φ = 28795430160.

The previous prime is 86389880987. The next prime is 86389881031. The reversal of 86389881012 is 21018898368.

86389881012 is a `hidden beast` number, since 86 + 389 + 88 + 101 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 86389881012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1429513 + ... + 1488719.

Almost surely, 2^86389881012 is an apocalyptic number.

It is an amenable number.

86389881012 is an abundant number, since it is smaller than the sum of its proper divisors (131993616684).

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

86389881012 is a wasteful number, since it uses less digits than its factorization.

86389881012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99748 (or 99743 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The spelling of 86389881012 in words is "eighty-six billion, three hundred eighty-nine million, eight hundred eighty-one thousand, twelve".