79951867 has 8 divisors (see below), whose sum is σ = 89110800. Its totient is φ = 71288064.

The previous prime is 79951849. The next prime is 79951873. The reversal of 79951867 is 76815997.

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 a de Polignac number, because none of the positive numbers 2^k-79951867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79951847) 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, 123442 + ... + 124087.

It is an arithmetic number, because the mean of its divisors is an integer number (11138850).

Almost surely, 2^79951867 is an apocalyptic number.

79951867 is a deficient number, since it is larger than the sum of its proper divisors (9158933).

79951867 is a wasteful number, since it uses less digits than its factorization.

79951867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247565.

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

The square root of 79951867 is about 8941.5807886525. The cubic root of 79951867 is about 430.8005044987.

The spelling of 79951867 in words is "seventy-nine million, nine hundred fifty-one thousand, eight hundred sixty-seven".