99775883 has 2 divisors, whose sum is σ = 99775884. Its totient is φ = 99775882.

The previous prime is 99775861. The next prime is 99775891. The reversal of 99775883 is 38857799.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99775883 is a prime.

It is not a weakly prime, because it can be changed into another prime (99775813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49887941 + 49887942.

It is an arithmetic number, because the mean of its divisors is an integer number (49887942).

Almost surely, 2^99775883 is an apocalyptic number.

99775883 is a deficient number, since it is larger than the sum of its proper divisors (1).

99775883 is an equidigital number, since it uses as much as digits as its factorization.

99775883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 56.

The square root of 99775883 is about 9988.7878644008. The cubic root of 99775883 is about 463.8118710059.

The spelling of 99775883 in words is "ninety-nine million, seven hundred seventy-five thousand, eight hundred eighty-three".