84013392864 has 48 divisors (see below), whose sum is σ = 221939878608. Its totient is φ = 27826086912.

The previous prime is 84013392839. The next prime is 84013392901. The reversal of 84013392864 is 46829331048.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×84013392864² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 7 ways as a sum of consecutive naturals, for example, 2771997 + ... + 2802140.

It is an arithmetic number, because the mean of its divisors is an integer number (4623747471).

Almost surely, 2^84013392864 is an apocalyptic number.

It is an amenable number.

84013392864 is an abundant number, since it is smaller than the sum of its proper divisors (137926485744).

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

84013392864 is a wasteful number, since it uses less digits than its factorization.

84013392864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574307 (or 5574299 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 84013392864 in words is "eighty-four billion, thirteen million, three hundred ninety-two thousand, eight hundred sixty-four".