86428060387824 has 80 divisors (see below), whose sum is σ = 223815898615680. Its totient is φ = 28739242625280.

The previous prime is 86428060387819. The next prime is 86428060387853. The reversal of 86428060387824 is 42878306082468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484750854 + ... + 484929114.

It is an arithmetic number, because the mean of its divisors is an integer number (2797698732696).

Almost surely, 2^{86428060387824} is an apocalyptic number.

It is an amenable number.

86428060387824 is an abundant number, since it is smaller than the sum of its proper divisors (137387838227856).

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

86428060387824 is a wasteful number, since it uses less digits than its factorization.

86428060387824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202798 (or 202792 counting only the distinct ones).

The product of its (nonzero) digits is 198180864, while the sum is 66.

The spelling of 86428060387824 in words is "eighty-six trillion, four hundred twenty-eight billion, sixty million, three hundred eighty-seven thousand, eight hundred twenty-four".