8722996697 has 12 divisors (see below), whose sum is σ = 9033973788. Its totient is φ = 8416819200.

The previous prime is 8722996649. The next prime is 8722996747. The reversal of 8722996697 is 7966992278.

It can be written as a sum of positive squares in 6 ways, for example, as 1198475161 + 7524521536 = 34619^2 + 86744^2 .

It is not a de Polignac number, because 8722996697 - 2²⁴ = 8706219481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8722996627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5889197 + ... + 5890677.

It is an arithmetic number, because the mean of its divisors is an integer number (752831149).

Almost surely, 2^8722996697 is an apocalyptic number.

It is an amenable number.

8722996697 is a deficient number, since it is larger than the sum of its proper divisors (310977091).

8722996697 is an frugal number, since it uses more digits than its factorization.

8722996697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100 (or 1619 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 65.

The square root of 8722996697 is about 93396.9844106329. The cubic root of 8722996697 is about 2058.5206881068.

The spelling of 8722996697 in words is "eight billion, seven hundred twenty-two million, nine hundred ninety-six thousand, six hundred ninety-seven".