79974854 has 16 divisors (see below), whose sum is σ = 125936640. Its totient is φ = 38039880.

The previous prime is 79974803. The next prime is 79974859. The reversal of 79974854 is 45847997.

It is a junction number, because it is equal to n+sod(n) for n = 79974796 and 79974805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79974859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7274 + ... + 14589.

It is an arithmetic number, because the mean of its divisors is an integer number (7871040).

Almost surely, 2^79974854 is an apocalyptic number.

79974854 is a deficient number, since it is larger than the sum of its proper divisors (45961786).

79974854 is a wasteful number, since it uses less digits than its factorization.

79974854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21955.

The product of its digits is 2540160, while the sum is 53.

The square root of 79974854 is about 8942.8660953858. The cubic root of 79974854 is about 430.8417870964.

The spelling of 79974854 in words is "seventy-nine million, nine hundred seventy-four thousand, eight hundred fifty-four".