79486860737 has 2 divisors, whose sum is σ = 79486860738. Its totient is φ = 79486860736.

The previous prime is 79486860731. The next prime is 79486860793. The reversal of 79486860737 is 73706868497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63745645441 + 15741215296 = 252479^2 + 125464^2 .

It is an emirp because it is prime and its reverse (73706868497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79486860737 - 2²⁸ = 79218425281 is a prime.

It is a super-2 number, since 2×79486860737² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79486860731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39743430368 + 39743430369.

It is an arithmetic number, because the mean of its divisors is an integer number (39743430369).

Almost surely, 2^79486860737 is an apocalyptic number.

It is an amenable number.

79486860737 is a deficient number, since it is larger than the sum of its proper divisors (1).

79486860737 is an equidigital number, since it uses as much as digits as its factorization.

79486860737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85349376, while the sum is 65.

The spelling of 79486860737 in words is "seventy-nine billion, four hundred eighty-six million, eight hundred sixty thousand, seven hundred thirty-seven".