79828929 has 16 divisors (see below), whose sum is σ = 123408000. Its totient is φ = 50905008.

The previous prime is 79828919. The next prime is 79828933. The reversal of 79828929 is 92982897.

It is not a de Polignac number, because 79828929 - 2⁹ = 79828417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79828919) 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 15 ways as a sum of consecutive naturals, for example, 63654 + ... + 64895.

It is an arithmetic number, because the mean of its divisors is an integer number (7713000).

Almost surely, 2^79828929 is an apocalyptic number.

It is an amenable number.

79828929 is a deficient number, since it is larger than the sum of its proper divisors (43579071).

79828929 is a wasteful number, since it uses less digits than its factorization.

79828929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128581 (or 128575 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 79828929 is about 8934.7036324659. The cubic root of 79828929 is about 430.5795844077.

The spelling of 79828929 in words is "seventy-nine million, eight hundred twenty-eight thousand, nine hundred twenty-nine".