99733939 has 2 divisors, whose sum is σ = 99733940. Its totient is φ = 99733938.

The previous prime is 99733927. The next prime is 99733979. The reversal of 99733939 is 93933799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99733939 - 2²¹ = 97636787 is a prime.

It is not a weakly prime, because it can be changed into another prime (99733979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49866969 + 49866970.

It is an arithmetic number, because the mean of its divisors is an integer number (49866970).

Almost surely, 2^99733939 is an apocalyptic number.

99733939 is a deficient number, since it is larger than the sum of its proper divisors (1).

99733939 is an equidigital number, since it uses as much as digits as its factorization.

99733939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1240029, while the sum is 52.

The square root of 99733939 is about 9986.6880896521. The cubic root of 99733939 is about 463.7468691530.

The spelling of 99733939 in words is "ninety-nine million, seven hundred thirty-three thousand, nine hundred thirty-nine".