79628018 has 8 divisors (see below), whose sum is σ = 119538012. Its totient is φ = 39782016.

The previous prime is 79627987. The next prime is 79628023. The reversal of 79628018 is 81082697.

It can be written as a sum of positive squares in 2 ways, for example, as 78446449 + 1181569 = 8857^2 + 1087^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12755 + ... + 17942.

Almost surely, 2^79628018 is an apocalyptic number.

79628018 is a deficient number, since it is larger than the sum of its proper divisors (39909994).

79628018 is a wasteful number, since it uses less digits than its factorization.

79628018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31996.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 79628018 is about 8923.4532553267. The cubic root of 79628018 is about 430.2180577811.

The spelling of 79628018 in words is "seventy-nine million, six hundred twenty-eight thousand, eighteen".