79539066 has 24 divisors (see below), whose sum is σ = 174414240. Its totient is φ = 26193096.

The previous prime is 79539041. The next prime is 79539067. The reversal of 79539066 is 66093597.

It is not an unprimeable number, because it can be changed into a prime (79539067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25126 + ... + 28113.

It is an arithmetic number, because the mean of its divisors is an integer number (7267260).

Almost surely, 2^79539066 is an apocalyptic number.

79539066 is an abundant number, since it is smaller than the sum of its proper divisors (94875174).

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

79539066 is a wasteful number, since it uses less digits than its factorization.

79539066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53330 (or 53327 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 79539066 is about 8918.4676934998. The cubic root of 79539066 is about 430.0578000543.

The spelling of 79539066 in words is "seventy-nine million, five hundred thirty-nine thousand, sixty-six".