79130985 has 8 divisors (see below), whose sum is σ = 126609600. Its totient is φ = 42203184.

The previous prime is 79130981. The next prime is 79130993. The reversal of 79130985 is 58903197.

It is a happy number.

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

It is not a de Polignac number, because 79130985 - 2² = 79130981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79130981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2637685 + ... + 2637714.

It is an arithmetic number, because the mean of its divisors is an integer number (15826200).

Almost surely, 2^79130985 is an apocalyptic number.

It is an amenable number.

79130985 is a deficient number, since it is larger than the sum of its proper divisors (47478615).

79130985 is a wasteful number, since it uses less digits than its factorization.

79130985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275407.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 79130985 is about 8895.5598474745. The cubic root of 79130985 is about 429.3210576366.

The spelling of 79130985 in words is "seventy-nine million, one hundred thirty thousand, nine hundred eighty-five".