8968713237961 has 27 divisors (see below), whose sum is σ = 9205820339079. Its totient is φ = 8737668878592.

The previous prime is 8968713237943. The next prime is 8968713237977. The reversal of 8968713237961 is 1697323178698.

The square root of 8968713237961 is 2994781.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2173015033225 + 6795698204736 = 1474115^2 + 2606856^2 .

It is not a de Polignac number, because 8968713237961 - 2²³ = 8968704849353 is a prime.

It is a super-2 number, since 2×8968713237961² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8968713237461) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 34101571116 + ... + 34101571378.

Almost surely, 2^{8968713237961} is an apocalyptic number.

8968713237961 is the 2994781-st square number.

8968713237961 is the 1497391-st centered octagonal number.

It is an amenable number.

8968713237961 is a deficient number, since it is larger than the sum of its proper divisors (237107101118).

8968713237961 is an frugal number, since it uses more digits than its factorization.

8968713237961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030 (or 515 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 70.

The spelling of 8968713237961 in words is "eight trillion, nine hundred sixty-eight billion, seven hundred thirteen million, two hundred thirty-seven thousand, nine hundred sixty-one".