9087992061961 has 2 divisors, whose sum is σ = 9087992061962. Its totient is φ = 9087992061960.

The previous prime is 9087992061943. The next prime is 9087992062007. The reversal of 9087992061961 is 1691602997809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4901286793225 + 4186705268736 = 2213885^2 + 2046144^2 .

It is a cyclic number.

It is not a de Polignac number, because 9087992061961 - 2²⁹ = 9087455191049 is a prime.

It is a super-2 number, since 2×9087992061961² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9087992061361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4543996030980 + 4543996030981.

It is an arithmetic number, because the mean of its divisors is an integer number (4543996030981).

Almost surely, 2^{9087992061961} is an apocalyptic number.

It is an amenable number.

9087992061961 is a deficient number, since it is larger than the sum of its proper divisors (1).

9087992061961 is an equidigital number, since it uses as much as digits as its factorization.

9087992061961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26453952, while the sum is 67.

The spelling of 9087992061961 in words is "nine trillion, eighty-seven billion, nine hundred ninety-two million, sixty-one thousand, nine hundred sixty-one".