99633761 has 2 divisors, whose sum is σ = 99633762. Its totient is φ = 99633760.

The previous prime is 99633689. The next prime is 99633797. The reversal of 99633761 is 16733699.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70040161 + 29593600 = 8369^2 + 5440^2 .

It is a cyclic number.

It is not a de Polignac number, because 99633761 - 2²² = 95439457 is a prime.

It is not a weakly prime, because it can be changed into another prime (99632761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49816880 + 49816881.

It is an arithmetic number, because the mean of its divisors is an integer number (49816881).

Almost surely, 2^99633761 is an apocalyptic number.

It is an amenable number.

99633761 is a deficient number, since it is larger than the sum of its proper divisors (1).

99633761 is an equidigital number, since it uses as much as digits as its factorization.

99633761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 183708, while the sum is 44.

The square root of 99633761 is about 9981.6712528514. The cubic root of 99633761 is about 463.5915465761.

The spelling of 99633761 in words is "ninety-nine million, six hundred thirty-three thousand, seven hundred sixty-one".