78504366211164 has 48 divisors (see below), whose sum is σ = 214241935084800. Its totient is φ = 24790852487088.

The previous prime is 78504366211123. The next prime is 78504366211171. The reversal of 78504366211164 is 46111266340587.

78504366211164 is a `hidden beast` number, since 7 + 8 + 5 + 0 + 4 + 3 + 6 + 621 + 1 + 1 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 78504366211164.

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, 19128742152 + ... + 19128746255.

It is an arithmetic number, because the mean of its divisors is an integer number (4463373647600).

Almost surely, 2^{78504366211164} is an apocalyptic number.

It is an amenable number.

78504366211164 is an abundant number, since it is smaller than the sum of its proper divisors (135737568873636).

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

78504366211164 is a wasteful number, since it uses less digits than its factorization.

78504366211164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38257488439 (or 38257488431 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 78504366211164 in words is "seventy-eight trillion, five hundred four billion, three hundred sixty-six million, two hundred eleven thousand, one hundred sixty-four".