8976996121 has 2 divisors, whose sum is σ = 8976996122. Its totient is φ = 8976996120.

The previous prime is 8976996113. The next prime is 8976996173. The reversal of 8976996121 is 1216996798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6734500096 + 2242496025 = 82064^2 + 47355^2 .

It is a cyclic number.

It is not a de Polignac number, because 8976996121 - 2³ = 8976996113 is a prime.

It is not a weakly prime, because it can be changed into another prime (8976996181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4488498060 + 4488498061.

It is an arithmetic number, because the mean of its divisors is an integer number (4488498061).

Almost surely, 2^8976996121 is an apocalyptic number.

It is an amenable number.

8976996121 is a deficient number, since it is larger than the sum of its proper divisors (1).

8976996121 is an equidigital number, since it uses as much as digits as its factorization.

8976996121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 58.

The square root of 8976996121 is about 94747.0111454710. The cubic root of 8976996121 is about 2078.3100888835.

The spelling of 8976996121 in words is "eight billion, nine hundred seventy-six million, nine hundred ninety-six thousand, one hundred twenty-one".