79971375732 has 12 divisors (see below), whose sum is σ = 186599876736. Its totient is φ = 26657125240.

The previous prime is 79971375703. The next prime is 79971375749. The reversal of 79971375732 is 23757317997.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3332140644 + ... + 3332140667.

It is an arithmetic number, because the mean of its divisors is an integer number (15549989728).

Almost surely, 2^79971375732 is an apocalyptic number.

It is an amenable number.

79971375732 is an abundant number, since it is smaller than the sum of its proper divisors (106628501004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79971375732 is a wasteful number, since it uses less digits than its factorization.

79971375732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6664281318 (or 6664281316 counting only the distinct ones).

The product of its digits is 17503290, while the sum is 60.

The spelling of 79971375732 in words is "seventy-nine billion, nine hundred seventy-one million, three hundred seventy-five thousand, seven hundred thirty-two".