7993078812 has 48 divisors (see below), whose sum is σ = 21391283200. Its totient is φ = 2578411440.

The previous prime is 7993078801. The next prime is 7993078813. The reversal of 7993078812 is 2188703997.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7993078813) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1190362 + ... + 1197057.

Almost surely, 2^7993078812 is an apocalyptic number.

It is an amenable number.

7993078812 is an abundant number, since it is smaller than the sum of its proper divisors (13398204388).

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

7993078812 is a wasteful number, since it uses less digits than its factorization.

7993078812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387463 (or 2387455 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 7993078812 is about 89404.0201109547. The cubic root of 7993078812 is about 1999.4230679240.

The spelling of 7993078812 in words is "seven billion, nine hundred ninety-three million, seventy-eight thousand, eight hundred twelve".