7797680 has 40 divisors (see below), whose sum is σ = 19779984. Its totient is φ = 2835200.

The previous prime is 7797659. The next prime is 7797683. The reversal of 7797680 is 867977.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (7797683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3551 + ... + 5310.

Almost surely, 2^7797680 is an apocalyptic number.

It is an amenable number.

7797680 is an abundant number, since it is smaller than the sum of its proper divisors (11982304).

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

7797680 is a wasteful number, since it uses less digits than its factorization.

7797680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8885 (or 8879 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 7797680 is about 2792.4326312375. The cubic root of 7797680 is about 198.2995838971.

The spelling of 7797680 in words is "seven million, seven hundred ninety-seven thousand, six hundred eighty".