99772633 has 2 divisors, whose sum is σ = 99772634. Its totient is φ = 99772632.

The previous prime is 99772573. The next prime is 99772657. The reversal of 99772633 is 33627799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92390544 + 7382089 = 9612^2 + 2717^2 .

It is a cyclic number.

It is not a de Polignac number, because 99772633 - 2⁹ = 99772121 is a prime.

It is not a weakly prime, because it can be changed into another prime (99572633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49886316 + 49886317.

It is an arithmetic number, because the mean of its divisors is an integer number (49886317).

Almost surely, 2^99772633 is an apocalyptic number.

It is an amenable number.

99772633 is a deficient number, since it is larger than the sum of its proper divisors (1).

99772633 is an equidigital number, since it uses as much as digits as its factorization.

99772633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 46.

The square root of 99772633 is about 9988.6251806743. The cubic root of 99772633 is about 463.8068350363.

The spelling of 99772633 in words is "ninety-nine million, seven hundred seventy-two thousand, six hundred thirty-three".