79918651 has 8 divisors (see below), whose sum is σ = 82833408. Its totient is φ = 77025000.

The previous prime is 79918637. The next prime is 79918661. The reversal of 79918651 is 15681997.

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 79918651 - 2¹⁹ = 79394363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79918661) 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, 2646 + ... + 12916.

It is an arithmetic number, because the mean of its divisors is an integer number (10354176).

Almost surely, 2^79918651 is an apocalyptic number.

79918651 is a deficient number, since it is larger than the sum of its proper divisors (2914757).

79918651 is a wasteful number, since it uses less digits than its factorization.

79918651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553.

The product of its digits is 136080, while the sum is 46.

The square root of 79918651 is about 8939.7232060059. The cubic root of 79918651 is about 430.7408375508.

The spelling of 79918651 in words is "seventy-nine million, nine hundred eighteen thousand, six hundred fifty-one".