99383761 has 2 divisors, whose sum is σ = 99383762. Its totient is φ = 99383760.

The previous prime is 99383689. The next prime is 99383771. The reversal of 99383761 is 16738399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81270225 + 18113536 = 9015^2 + 4256^2 .

It is an emirp because it is prime and its reverse (16738399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99383761 - 2²⁵ = 65829329 is a prime.

It is not a weakly prime, because it can be changed into another prime (99383771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49691880 + 49691881.

It is an arithmetic number, because the mean of its divisors is an integer number (49691881).

Almost surely, 2^99383761 is an apocalyptic number.

It is an amenable number.

99383761 is a deficient number, since it is larger than the sum of its proper divisors (1).

99383761 is an equidigital number, since it uses as much as digits as its factorization.

99383761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 46.

The square root of 99383761 is about 9969.1404343604. The cubic root of 99383761 is about 463.2034754463.

The spelling of 99383761 in words is "ninety-nine million, three hundred eighty-three thousand, seven hundred sixty-one".