79139066 has 8 divisors (see below), whose sum is σ = 124956480. Its totient is φ = 37486908.

The previous prime is 79138987. The next prime is 79139077. The reversal of 79139066 is 66093197.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041266 + ... + 1041341.

It is an arithmetic number, because the mean of its divisors is an integer number (15619560).

Almost surely, 2^79139066 is an apocalyptic number.

79139066 is a deficient number, since it is larger than the sum of its proper divisors (45817414).

79139066 is a wasteful number, since it uses less digits than its factorization.

79139066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082628.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 79139066 is about 8896.0140512479. The cubic root of 79139066 is about 429.3356714881.

The spelling of 79139066 in words is "seventy-nine million, one hundred thirty-nine thousand, sixty-six".