79683839775 has 48 divisors (see below), whose sum is σ = 149144159520. Its totient is φ = 41696179200.

The previous prime is 79683839773. The next prime is 79683839791. The reversal of 79683839775 is 57793838697.

79683839775 is a `hidden beast` number, since 7 + 96 + 8 + 383 + 97 + 75 = 666.

It is not a de Polignac number, because 79683839775 - 2¹ = 79683839773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79683839773) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1077906 + ... + 1149455.

It is an arithmetic number, because the mean of its divisors is an integer number (3107169990).

Almost surely, 2^79683839775 is an apocalyptic number.

79683839775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

79683839775 is a deficient number, since it is larger than the sum of its proper divisors (69460319745).

79683839775 is a wasteful number, since it uses less digits than its factorization.

79683839775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227433 (or 2227422 counting only the distinct ones).

The product of its digits is 480090240, while the sum is 72.

The spelling of 79683839775 in words is "seventy-nine billion, six hundred eighty-three million, eight hundred thirty-nine thousand, seven hundred seventy-five".