79678951 has 8 divisors (see below), whose sum is σ = 91497600. Its totient is φ = 68622840.

The previous prime is 79678943. The next prime is 79678967. The reversal of 79678951 is 15987697.

It is a happy number.

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

It is not a de Polignac number, because 79678951 - 2³ = 79678943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79678751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190411 + ... + 190828.

It is an arithmetic number, because the mean of its divisors is an integer number (11437200).

Almost surely, 2^79678951 is an apocalyptic number.

79678951 is a deficient number, since it is larger than the sum of its proper divisors (11818649).

79678951 is a wasteful number, since it uses less digits than its factorization.

79678951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381269.

The product of its digits is 952560, while the sum is 52.

The square root of 79678951 is about 8926.3066830577. The cubic root of 79678951 is about 430.3097659787.

The spelling of 79678951 in words is "seventy-nine million, six hundred seventy-eight thousand, nine hundred fifty-one".