79785629 has 16 divisors (see below), whose sum is σ = 99740160. Its totient is φ = 62003760.

The previous prime is 79785623. The next prime is 79785637. The reversal of 79785629 is 92658797.

It is not a de Polignac number, because 79785629 - 2⁴ = 79785613 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 (79785623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32942 + ... + 35280.

It is an arithmetic number, because the mean of its divisors is an integer number (6233760).

Almost surely, 2^79785629 is an apocalyptic number.

It is an amenable number.

79785629 is a deficient number, since it is larger than the sum of its proper divisors (19954531).

79785629 is a wasteful number, since it uses less digits than its factorization.

79785629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800.

The product of its digits is 1905120, while the sum is 53.

The square root of 79785629 is about 8932.2801680198. The cubic root of 79785629 is about 430.5017201207.

The spelling of 79785629 in words is "seventy-nine million, seven hundred eighty-five thousand, six hundred twenty-nine".