79900412 has 6 divisors (see below), whose sum is σ = 139825728. Its totient is φ = 39950204.

The previous prime is 79900411. The next prime is 79900441. The reversal of 79900412 is 21400997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79900411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9987548 + ... + 9987555.

It is an arithmetic number, because the mean of its divisors is an integer number (23304288).

Almost surely, 2^79900412 is an apocalyptic number.

It is an amenable number.

79900412 is a deficient number, since it is larger than the sum of its proper divisors (59925316).

79900412 is a wasteful number, since it uses less digits than its factorization.

79900412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19975107 (or 19975105 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 79900412 is about 8938.7030379133. The cubic root of 79900412 is about 430.7080672285.

The spelling of 79900412 in words is "seventy-nine million, nine hundred thousand, four hundred twelve".