79774315 has 16 divisors (see below), whose sum is σ = 101235456. Its totient is φ = 60249600.

The previous prime is 79774297. The next prime is 79774339. The reversal of 79774315 is 51347797.

It is not a de Polignac number, because 79774315 - 2⁷ = 79774187 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 79 + ... + 12631.

It is an arithmetic number, because the mean of its divisors is an integer number (6327216).

Almost surely, 2^79774315 is an apocalyptic number.

79774315 is a deficient number, since it is larger than the sum of its proper divisors (21461141).

79774315 is a wasteful number, since it uses less digits than its factorization.

79774315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12630.

The product of its digits is 185220, while the sum is 43.

The square root of 79774315 is about 8931.6468246343. The cubic root of 79774315 is about 430.4813700619.

It can be divided in two parts, 79774 and 315, that added together give a square (80089 = 283²).

The spelling of 79774315 in words is "seventy-nine million, seven hundred seventy-four thousand, three hundred fifteen".