79980130 has 8 divisors (see below), whose sum is σ = 143964252. Its totient is φ = 31992048.

The previous prime is 79980113. The next prime is 79980133. The reversal of 79980130 is 3108997.

It can be written as a sum of positive squares in 2 ways, for example, as 73256481 + 6723649 = 8559^2 + 2593^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 79980130.

It is not an unprimeable number, because it can be changed into a prime (79980133) 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 3 ways as a sum of consecutive naturals, for example, 3998997 + ... + 3999016.

Almost surely, 2^79980130 is an apocalyptic number.

79980130 is a deficient number, since it is larger than the sum of its proper divisors (63984122).

79980130 is a wasteful number, since it uses less digits than its factorization.

79980130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7998020.

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

The square root of 79980130 is about 8943.1610742511. The cubic root of 79980130 is about 430.8512612047.

The spelling of 79980130 in words is "seventy-nine million, nine hundred eighty thousand, one hundred thirty".