78304059904 has 160 divisors (see below), whose sum is σ = 184583900160. Its totient is φ = 32491819008.

The previous prime is 78304059881. The next prime is 78304059973. The reversal of 78304059904 is 40995040387.

It is a super-2 number, since 2×78304059904² (a number of 23 digits) contains 22 as substring.

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, 14164789 + ... + 14170315.

It is an arithmetic number, because the mean of its divisors is an integer number (1153649376).

Almost surely, 2^78304059904 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 78304059904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92291950080).

78304059904 is an abundant number, since it is smaller than the sum of its proper divisors (106279840256).

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

78304059904 is an equidigital number, since it uses as much as digits as its factorization.

78304059904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678 (or 5662 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 78304059904 in words is "seventy-eight billion, three hundred four million, fifty-nine thousand, nine hundred four".