99876563 has 2 divisors, whose sum is σ = 99876564. Its totient is φ = 99876562.

The previous prime is 99876529. The next prime is 99876583. The reversal of 99876563 is 36567899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99876563 - 2⁶ = 99876499 is a prime.

It is not a weakly prime, because it can be changed into another prime (99876503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49938281 + 49938282.

It is an arithmetic number, because the mean of its divisors is an integer number (49938282).

Almost surely, 2^99876563 is an apocalyptic number.

99876563 is a deficient number, since it is larger than the sum of its proper divisors (1).

99876563 is an equidigital number, since it uses as much as digits as its factorization.

99876563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 53.

The square root of 99876563 is about 9993.8262442370. The cubic root of 99876563 is about 463.9678234599.

The spelling of 99876563 in words is "ninety-nine million, eight hundred seventy-six thousand, five hundred sixty-three".