7913078784 has 320 divisors, whose sum is σ = 25836888000. Its totient is φ = 2378170368.

The previous prime is 7913078753. The next prime is 7913078819. The reversal of 7913078784 is 4878703197.

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 7913078784.

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, 184025067 + ... + 184025109.

It is an arithmetic number, because the mean of its divisors is an integer number (80740275).

Almost surely, 2^7913078784 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 7913078784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12918444000).

7913078784 is an abundant number, since it is smaller than the sum of its proper divisors (17923809216).

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

7913078784 is an frugal number, since it uses more digits than its factorization.

7913078784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The square root of 7913078784 is about 88955.4876553437. The cubic root of 7913078784 is about 1992.7301721526.

The spelling of 7913078784 in words is "seven billion, nine hundred thirteen million, seventy-eight thousand, seven hundred eighty-four".