78964504344 has 128 divisors (see below), whose sum is σ = 242241120000. Its totient is φ = 23928579360.

The previous prime is 78964504321. The next prime is 78964504363. The reversal of 78964504344 is 44340546987.

78964504344 is a `hidden beast` number, since 7 + 8 + 96 + 4 + 504 + 3 + 44 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

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 31 ways as a sum of consecutive naturals, for example, 12694 + ... + 397605.

It is an arithmetic number, because the mean of its divisors is an integer number (1892508750).

Almost surely, 2^78964504344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78964504344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121120560000).

78964504344 is an abundant number, since it is smaller than the sum of its proper divisors (163276615656).

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

78964504344 is a wasteful number, since it uses less digits than its factorization.

78964504344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410337 (or 410315 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 78964504344 in words is "seventy-eight billion, nine hundred sixty-four million, five hundred four thousand, three hundred forty-four".