99776113 has 2 divisors, whose sum is σ = 99776114. Its totient is φ = 99776112.

The previous prime is 99776101. The next prime is 99776123. The reversal of 99776113 is 31167799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55845729 + 43930384 = 7473^2 + 6628^2 .

It is a cyclic number.

It is not a de Polignac number, because 99776113 - 2²¹ = 97678961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99776113.

It is not a weakly prime, because it can be changed into another prime (99776123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49888056 + 49888057.

It is an arithmetic number, because the mean of its divisors is an integer number (49888057).

Almost surely, 2^99776113 is an apocalyptic number.

It is an amenable number.

99776113 is a deficient number, since it is larger than the sum of its proper divisors (1).

99776113 is an equidigital number, since it uses as much as digits as its factorization.

99776113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71442, while the sum is 43.

The square root of 99776113 is about 9988.7993773026. The cubic root of 99776113 is about 463.8122273935.

The spelling of 99776113 in words is "ninety-nine million, seven hundred seventy-six thousand, one hundred thirteen".