79523997 has 8 divisors (see below), whose sum is σ = 121179456. Its totient is φ = 45442272.

The previous prime is 79523993. The next prime is 79524013. The reversal of 79523997 is 79932597.

It is a happy number.

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

It is not a de Polignac number, because 79523997 - 2² = 79523993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79523993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893408 + ... + 1893449.

It is an arithmetic number, because the mean of its divisors is an integer number (15147432).

Almost surely, 2^79523997 is an apocalyptic number.

It is an amenable number.

79523997 is a deficient number, since it is larger than the sum of its proper divisors (41655459).

79523997 is a wasteful number, since it uses less digits than its factorization.

79523997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786867.

The product of its digits is 1071630, while the sum is 51.

The square root of 79523997 is about 8917.6228334686. The cubic root of 79523997 is about 430.0306396051.

The spelling of 79523997 in words is "seventy-nine million, five hundred twenty-three thousand, nine hundred ninety-seven".