79933997 has 8 divisors (see below), whose sum is σ = 93908640. Its totient is φ = 67077360.

The previous prime is 79933991. The next prime is 79933999.

It is a happy number.

79933997 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 79933997 - 2⁶ = 79933933 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 (79933991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279347 + ... + 279632.

It is an arithmetic number, because the mean of its divisors is an integer number (11738580).

Almost surely, 2^79933997 is an apocalyptic number.

It is an amenable number.

79933997 is a deficient number, since it is larger than the sum of its proper divisors (13974643).

79933997 is a wasteful number, since it uses less digits than its factorization.

79933997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559003.

The product of its digits is 2893401, while the sum is 56.

The square root of 79933997 is about 8940.5814687860. The cubic root of 79933997 is about 430.7684061086.

It can be divided in two parts, 7993 and 3997, that multiplied together give a triangular number (31948021 = T₇₉₉₃).

The spelling of 79933997 in words is "seventy-nine million, nine hundred thirty-three thousand, nine hundred ninety-seven".