7797988 has 24 divisors (see below), whose sum is σ = 15369984. Its totient is φ = 3429600.

The previous prime is 7797983. The next prime is 7797991. The reversal of 7797988 is 8897977.

It is not an unprimeable number, because it can be changed into a prime (7797983) 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, 1495 + ... + 4222.

It is an arithmetic number, because the mean of its divisors is an integer number (640416).

Almost surely, 2^7797988 is an apocalyptic number.

It is an amenable number.

7797988 is a deficient number, since it is larger than the sum of its proper divisors (7571996).

7797988 is a wasteful number, since it uses less digits than its factorization.

7797988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763 (or 5761 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 55.

The square root of 7797988 is about 2792.4877797405. The cubic root of 7797988 is about 198.3021947364.

The spelling of 7797988 in words is "seven million, seven hundred ninety-seven thousand, nine hundred eighty-eight".