96761157721 has 2 divisors, whose sum is σ = 96761157722. Its totient is φ = 96761157720.

The previous prime is 96761157653. The next prime is 96761157767. The reversal of 96761157721 is 12775116769.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53760914496 + 43000243225 = 231864^2 + 207365^2 .

It is a cyclic number.

It is not a de Polignac number, because 96761157721 - 2⁷ = 96761157593 is a prime.

It is not a weakly prime, because it can be changed into another prime (96761157781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48380578860 + 48380578861.

It is an arithmetic number, because the mean of its divisors is an integer number (48380578861).

Almost surely, 2^96761157721 is an apocalyptic number.

It is an amenable number.

96761157721 is a deficient number, since it is larger than the sum of its proper divisors (1).

96761157721 is an equidigital number, since it uses as much as digits as its factorization.

96761157721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 52.

The spelling of 96761157721 in words is "ninety-six billion, seven hundred sixty-one million, one hundred fifty-seven thousand, seven hundred twenty-one".