79928629 has 8 divisors (see below), whose sum is σ = 87967872. Its totient is φ = 72018240.

The previous prime is 79928617. The next prime is 79928647. The reversal of 79928629 is 92682997.

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

It is a cyclic number.

It is not a de Polignac number, because 79928629 - 2¹³ = 79920437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79928609) 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, 30909 + ... + 33394.

It is an arithmetic number, because the mean of its divisors is an integer number (10995984).

Almost surely, 2^79928629 is an apocalyptic number.

It is an amenable number.

79928629 is a deficient number, since it is larger than the sum of its proper divisors (8039243).

79928629 is a wasteful number, since it uses less digits than its factorization.

79928629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64427.

The product of its digits is 979776, while the sum is 52.

The square root of 79928629 is about 8940.2812595578. The cubic root of 79928629 is about 430.7587630837.

The spelling of 79928629 in words is "seventy-nine million, nine hundred twenty-eight thousand, six hundred twenty-nine".