79787804 has 12 divisors (see below), whose sum is σ = 143034528. Its totient is φ = 38920800.

The previous prime is 79787801. The next prime is 79787809. The reversal of 79787804 is 40878797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79787801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243092 + ... + 243419.

It is an arithmetic number, because the mean of its divisors is an integer number (11919544).

Almost surely, 2^79787804 is an apocalyptic number.

It is an amenable number.

79787804 is a deficient number, since it is larger than the sum of its proper divisors (63246724).

79787804 is a wasteful number, since it uses less digits than its factorization.

79787804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486556 (or 486554 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 50.

The square root of 79787804 is about 8932.4019166179. The cubic root of 79787804 is about 430.5056319894.

The spelling of 79787804 in words is "seventy-nine million, seven hundred eighty-seven thousand, eight hundred four".