79692406973 has 2 divisors, whose sum is σ = 79692406974. Its totient is φ = 79692406972.

The previous prime is 79692406939. The next prime is 79692407023. The reversal of 79692406973 is 37960429697.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47907578884 + 31784828089 = 218878^2 + 178283^2 .

It is a cyclic number.

It is not a de Polignac number, because 79692406973 - 2¹² = 79692402877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79692406873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39846203486 + 39846203487.

It is an arithmetic number, because the mean of its divisors is an integer number (39846203487).

Almost surely, 2^79692406973 is an apocalyptic number.

It is an amenable number.

79692406973 is a deficient number, since it is larger than the sum of its proper divisors (1).

79692406973 is an equidigital number, since it uses as much as digits as its factorization.

79692406973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30862944, while the sum is 62.

The spelling of 79692406973 in words is "seventy-nine billion, six hundred ninety-two million, four hundred six thousand, nine hundred seventy-three".