99913337 has 2 divisors, whose sum is σ = 99913338. Its totient is φ = 99913336.

The previous prime is 99913243. The next prime is 99913349. The reversal of 99913337 is 73331999.

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., 89794576 + 10118761 = 9476^2 + 3181^2 .

It is a cyclic number.

It is not a de Polignac number, because 99913337 - 2¹⁰ = 99912313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99913367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49956668 + 49956669.

It is an arithmetic number, because the mean of its divisors is an integer number (49956669).

Almost surely, 2^99913337 is an apocalyptic number.

It is an amenable number.

99913337 is a deficient number, since it is larger than the sum of its proper divisors (1).

99913337 is an equidigital number, since it uses as much as digits as its factorization.

99913337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137781, while the sum is 44.

The square root of 99913337 is about 9995.6659107835. The cubic root of 99913337 is about 464.0247599377.

The spelling of 99913337 in words is "ninety-nine million, nine hundred thirteen thousand, three hundred thirty-seven".