79972945937 has 8 divisors (see below), whose sum is σ = 81927568800. Its totient is φ = 78018516640.

The previous prime is 79972945933. The next prime is 79972945951. The reversal of 79972945937 is 73954927997.

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 79972945937 - 2² = 79972945933 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79972945931) 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, 1140314 + ... + 1208412.

It is an arithmetic number, because the mean of its divisors is an integer number (10240946100).

Almost surely, 2^79972945937 is an apocalyptic number.

It is an amenable number.

79972945937 is a deficient number, since it is larger than the sum of its proper divisors (1954622863).

79972945937 is a wasteful number, since it uses less digits than its factorization.

79972945937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96783.

The product of its digits is 270050760, while the sum is 71.

The spelling of 79972945937 in words is "seventy-nine billion, nine hundred seventy-two million, nine hundred forty-five thousand, nine hundred thirty-seven".