79801056 has 36 divisors (see below), whose sum is σ = 226935072. Its totient is φ = 26600256.

The previous prime is 79801039. The next prime is 79801067. The reversal of 79801056 is 65010897.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 79801056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138256 + ... + 138831.

It is an arithmetic number, because the mean of its divisors is an integer number (6303752).

Almost surely, 2^79801056 is an apocalyptic number.

It is an amenable number.

79801056 is an abundant number, since it is smaller than the sum of its proper divisors (147134016).

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

79801056 is a wasteful number, since it uses less digits than its factorization.

79801056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277103 (or 277092 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 79801056 is about 8933.1436795789. The cubic root of 79801056 is about 430.5294649753.

The spelling of 79801056 in words is "seventy-nine million, eight hundred one thousand, fifty-six".