79695943751 has 16 divisors (see below), whose sum is σ = 81075810816. Its totient is φ = 78323700000.

The previous prime is 79695943727. The next prime is 79695943777. The reversal of 79695943751 is 15734959697.

It is a cyclic number.

It is not a de Polignac number, because 79695943751 - 2⁶ = 79695943687 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 (79695943711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52743086 + ... + 52744596.

It is an arithmetic number, because the mean of its divisors is an integer number (5067238176).

Almost surely, 2^79695943751 is an apocalyptic number.

79695943751 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

79695943751 is the 126251-st centered decagonal number.

79695943751 is a deficient number, since it is larger than the sum of its proper divisors (1379867065).

79695943751 is a wasteful number, since it uses less digits than its factorization.

79695943751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454.

The product of its digits is 64297800, while the sum is 65.

The spelling of 79695943751 in words is "seventy-nine billion, six hundred ninety-five million, nine hundred forty-three thousand, seven hundred fifty-one".