79666504 has 16 divisors (see below), whose sum is σ = 152553600. Its totient is φ = 38985552.

The previous prime is 79666501. The next prime is 79666553. The reversal of 79666504 is 40566697.

It is not an unprimeable number, because it can be changed into a prime (79666501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105564 + ... + 106315.

It is an arithmetic number, because the mean of its divisors is an integer number (9534600).

Almost surely, 2^79666504 is an apocalyptic number.

It is an amenable number.

79666504 is a deficient number, since it is larger than the sum of its proper divisors (72887096).

79666504 is a wasteful number, since it uses less digits than its factorization.

79666504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211932 (or 211928 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 79666504 is about 8925.6094469790. The cubic root of 79666504 is about 430.2873579503.

The spelling of 79666504 in words is "seventy-nine million, six hundred sixty-six thousand, five hundred four".