972798310097 has 4 divisors (see below), whose sum is σ = 976235760240. Its totient is φ = 969360859956.

The previous prime is 972798310093. The next prime is 972798310163. The reversal of 972798310097 is 790013897279.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 790013897279 = 5501 ⋅143612779.

It is a cyclic number.

It is not a de Polignac number, because 972798310097 - 2² = 972798310093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972798310093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1718724647 + ... + 1718725212.

It is an arithmetic number, because the mean of its divisors is an integer number (244058940060).

Almost surely, 2^972798310097 is an apocalyptic number.

It is an amenable number.

972798310097 is a deficient number, since it is larger than the sum of its proper divisors (3437450143).

972798310097 is a wasteful number, since it uses less digits than its factorization.

972798310097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437450142.

The product of its (nonzero) digits is 12002256, while the sum is 62.

The spelling of 972798310097 in words is "nine hundred seventy-two billion, seven hundred ninety-eight million, three hundred ten thousand, ninety-seven".