99976415597 has 2 divisors, whose sum is σ = 99976415598. Its totient is φ = 99976415596.

The previous prime is 99976415587. The next prime is 99976415611. The reversal of 99976415597 is 79551467999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94171651876 + 5804763721 = 306874^2 + 76189^2 .

It is a cyclic number.

It is not a de Polignac number, because 99976415597 - 2¹⁴ = 99976399213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99976415597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99976415587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49988207798 + 49988207799.

It is an arithmetic number, because the mean of its divisors is an integer number (49988207799).

Almost surely, 2^99976415597 is an apocalyptic number.

It is an amenable number.

99976415597 is a deficient number, since it is larger than the sum of its proper divisors (1).

99976415597 is an equidigital number, since it uses as much as digits as its factorization.

99976415597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192893400, while the sum is 71.

The spelling of 99976415597 in words is "ninety-nine billion, nine hundred seventy-six million, four hundred fifteen thousand, five hundred ninety-seven".