79419851 has 8 divisors (see below), whose sum is σ = 94712064. Its totient is φ = 65114280.

The previous prime is 79419833. The next prime is 79419853. The reversal of 79419851 is 15891497.

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

It is a de Polignac number, because none of the positive numbers 2^k-79419851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79419853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246485 + ... + 246806.

It is an arithmetic number, because the mean of its divisors is an integer number (11839008).

Almost surely, 2^79419851 is an apocalyptic number.

79419851 is a deficient number, since it is larger than the sum of its proper divisors (15292213).

79419851 is a wasteful number, since it uses less digits than its factorization.

79419851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493321.

The product of its digits is 90720, while the sum is 44.

The square root of 79419851 is about 8911.7815839483. The cubic root of 79419851 is about 429.8428324117.

The spelling of 79419851 in words is "seventy-nine million, four hundred nineteen thousand, eight hundred fifty-one".