79423280 has 40 divisors (see below), whose sum is σ = 185425632. Its totient is φ = 31637504.

The previous prime is 79423247. The next prime is 79423291. The reversal of 79423280 is 8232497.

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

It is a self number, because there is not a number n which added to its sum of digits gives 79423280.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18629 + ... + 22491.

Almost surely, 2^79423280 is an apocalyptic number.

It is an amenable number.

79423280 is an abundant number, since it is smaller than the sum of its proper divisors (106002352).

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

79423280 is a wasteful number, since it uses less digits than its factorization.

79423280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4133 (or 4127 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 79423280 is about 8911.9739676460. The cubic root of 79423280 is about 429.8490185639.

The spelling of 79423280 in words is "seventy-nine million, four hundred twenty-three thousand, two hundred eighty".