79803988 has 24 divisors (see below), whose sum is σ = 153840960. Its totient is φ = 35920320.

The previous prime is 79803973. The next prime is 79803989. The reversal of 79803988 is 88930897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79803989) 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, 4273 + ... + 13336.

It is an arithmetic number, because the mean of its divisors is an integer number (6410040).

Almost surely, 2^79803988 is an apocalyptic number.

It is an amenable number.

79803988 is a deficient number, since it is larger than the sum of its proper divisors (74036972).

79803988 is a wasteful number, since it uses less digits than its factorization.

79803988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17727 (or 17725 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 79803988 is about 8933.3077860331. The cubic root of 79803988 is about 430.5347376580.

The spelling of 79803988 in words is "seventy-nine million, eight hundred three thousand, nine hundred eighty-eight".