79959970 has 16 divisors (see below), whose sum is σ = 144073728. Its totient is φ = 31951600.

The previous prime is 79959941. The next prime is 79959973. The reversal of 79959970 is 7995997.

It is not an unprimeable number, because it can be changed into a prime (79959973) by changing a digit.

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, 8037 + ... + 14983.

It is an arithmetic number, because the mean of its divisors is an integer number (9004608).

Almost surely, 2^79959970 is an apocalyptic number.

79959970 is a deficient number, since it is larger than the sum of its proper divisors (64113758).

79959970 is a wasteful number, since it uses less digits than its factorization.

79959970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8105.

The product of its (nonzero) digits is 1607445, while the sum is 55.

The square root of 79959970 is about 8942.0338849727. The cubic root of 79959970 is about 430.8150576655.

The spelling of 79959970 in words is "seventy-nine million, nine hundred fifty-nine thousand, nine hundred seventy".