79313871 has 16 divisors (see below), whose sum is σ = 130156544. Its totient is φ = 41835744.

The previous prime is 79313849. The next prime is 79313873. The reversal of 79313871 is 17831397.

It is a happy number.

It is not a de Polignac number, because 79313871 - 2¹⁷ = 79182799 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79313873) 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 15 ways as a sum of consecutive naturals, for example, 144991 + ... + 145536.

It is an arithmetic number, because the mean of its divisors is an integer number (8134784).

Almost surely, 2^79313871 is an apocalyptic number.

79313871 is a deficient number, since it is larger than the sum of its proper divisors (50842673).

79313871 is a wasteful number, since it uses less digits than its factorization.

79313871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290550.

The product of its digits is 31752, while the sum is 39.

The square root of 79313871 is about 8905.8335376314. The cubic root of 79313871 is about 429.6515493298.

The spelling of 79313871 in words is "seventy-nine million, three hundred thirteen thousand, eight hundred seventy-one".