79397951 has 8 divisors (see below), whose sum is σ = 80870400. Its totient is φ = 77935480.

The previous prime is 79397933. The next prime is 79397957. The reversal of 79397951 is 15979397.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79397951 - 2⁶ = 79397887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79397951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79397957) 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, 14630 + ... + 19308.

It is an arithmetic number, because the mean of its divisors is an integer number (10108800).

Almost surely, 2^79397951 is an apocalyptic number.

79397951 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

79397951 is a deficient number, since it is larger than the sum of its proper divisors (1472449).

79397951 is a wasteful number, since it uses less digits than its factorization.

79397951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989.

The product of its digits is 535815, while the sum is 50.

The square root of 79397951 is about 8910.5527886883. The cubic root of 79397951 is about 429.8033191023.

The spelling of 79397951 in words is "seventy-nine million, three hundred ninety-seven thousand, nine hundred fifty-one".