7920799488 has 360 divisors, whose sum is σ = 27227404512. Its totient is φ = 2243469312.

The previous prime is 7920799487. The next prime is 7920799489. The reversal of 7920799488 is 8849970297.

It is an interprime number because it is at equal distance from previous prime (7920799487) and next prime (7920799489).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7920799487) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28594806 + ... + 28595082.

Almost surely, 2^7920799488 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 7920799488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13613702256).

7920799488 is an abundant number, since it is smaller than the sum of its proper divisors (19306605024).

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

7920799488 is a wasteful number, since it uses less digits than its factorization.

7920799488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The square root of 7920799488 is about 88998.8735209609. The cubic root of 7920799488 is about 1993.3780564630.

The spelling of 7920799488 in words is "seven billion, nine hundred twenty million, seven hundred ninety-nine thousand, four hundred eighty-eight".