84651038804 has 24 divisors (see below), whose sum is σ = 157869105408. Its totient is φ = 39623888480.

The previous prime is 84651038753. The next prime is 84651038819. The reversal of 84651038804 is 40883015648.

It is a Harshad number since it is a multiple of its sum of digits (47).

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 7 ways as a sum of consecutive naturals, for example, 9784187 + ... + 9792834.

It is an arithmetic number, because the mean of its divisors is an integer number (6577879392).

Almost surely, 2^84651038804 is an apocalyptic number.

It is an amenable number.

84651038804 is a deficient number, since it is larger than the sum of its proper divisors (73218066604).

84651038804 is a wasteful number, since it uses less digits than its factorization.

84651038804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19577095 (or 19577093 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 84651038804 in words is "eighty-four billion, six hundred fifty-one million, thirty-eight thousand, eight hundred four".