79139008 has 56 divisors (see below), whose sum is σ = 171569888. Its totient is φ = 35997696.

The previous prime is 79138987. The next prime is 79139077. The reversal of 79139008 is 80093197.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60085 + ... + 61387.

It is an arithmetic number, because the mean of its divisors is an integer number (3063748).

Almost surely, 2^79139008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79139008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85784944).

79139008 is an abundant number, since it is smaller than the sum of its proper divisors (92430880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79139008 is a wasteful number, since it uses less digits than its factorization.

79139008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 79139008 is about 8896.0107913604. The cubic root of 79139008 is about 429.3355666032.

The spelling of 79139008 in words is "seventy-nine million, one hundred thirty-nine thousand, eight".