79317623 has 48 divisors (see below), whose sum is σ = 107163648. Its totient is φ = 57960000.

The previous prime is 79317611. The next prime is 79317649. The reversal of 79317623 is 32671397.

It is not a de Polignac number, because 79317623 - 2⁸ = 79317367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79317673) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 785273 + ... + 785373.

It is an arithmetic number, because the mean of its divisors is an integer number (2232576).

Almost surely, 2^79317623 is an apocalyptic number.

79317623 is a deficient number, since it is larger than the sum of its proper divisors (27846025).

79317623 is a wasteful number, since it uses less digits than its factorization.

79317623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 197 counting only the distinct ones).

The product of its digits is 47628, while the sum is 38.

The square root of 79317623 is about 8906.0441835868. The cubic root of 79317623 is about 429.6583242154.

The spelling of 79317623 in words is "seventy-nine million, three hundred seventeen thousand, six hundred twenty-three".