7797890288 has 80 divisors (see below), whose sum is σ = 16065638400. Its totient is φ = 3661182720.

The previous prime is 7797890279. The next prime is 7797890323. The reversal of 7797890288 is 8820987977.

It is a congruent number.

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, 2310170 + ... + 2313542.

It is an arithmetic number, because the mean of its divisors is an integer number (200820480).

Almost surely, 2^7797890288 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 7797890288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8032819200).

7797890288 is an abundant number, since it is smaller than the sum of its proper divisors (8267748112).

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

7797890288 is a wasteful number, since it uses less digits than its factorization.

7797890288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550 (or 3544 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 65.

The square root of 7797890288 is about 88305.6639633042. The cubic root of 7797890288 is about 1983.0136646356.

The spelling of 7797890288 in words is "seven billion, seven hundred ninety-seven million, eight hundred ninety thousand, two hundred eighty-eight".