79828492939 has 8 divisors (see below), whose sum is σ = 86034342240. Its totient is φ = 73631957376.

The previous prime is 79828492907. The next prime is 79828492963. The reversal of 79828492939 is 93929482897.

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 79828492939 - 2⁵ = 79828492907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79828492999) 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, 2310622 + ... + 2344915.

It is an arithmetic number, because the mean of its divisors is an integer number (10754292780).

Almost surely, 2^79828492939 is an apocalyptic number.

79828492939 is a deficient number, since it is larger than the sum of its proper divisors (6205849301).

79828492939 is a wasteful number, since it uses less digits than its factorization.

79828492939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656869.

The product of its digits is 141087744, while the sum is 70.

The spelling of 79828492939 in words is "seventy-nine billion, eight hundred twenty-eight million, four hundred ninety-two thousand, nine hundred thirty-nine".