7797888 has 96 divisors (see below), whose sum is σ = 25671360. Its totient is φ = 2225664.

The previous prime is 7797887. The next prime is 7797899. The reversal of 7797888 is 8887977.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (7797887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7581 + ... + 8547.

It is an arithmetic number, because the mean of its divisors is an integer number (267410).

Almost surely, 2^7797888 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 7797888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12835680).

7797888 is an abundant number, since it is smaller than the sum of its proper divisors (17873472).

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

7797888 is a wasteful number, since it uses less digits than its factorization.

7797888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 979 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 54.

The square root of 7797888 is about 2792.4698745018. The cubic root of 7797888 is about 198.3013470688.

The spelling of 7797888 in words is "seven million, seven hundred ninety-seven thousand, eight hundred eighty-eight".