88891199 has 2 divisors, whose sum is σ = 88891200. Its totient is φ = 88891198.

The previous prime is 88891193. The next prime is 88891223. The reversal of 88891199 is 99119888.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88891199 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88891199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88891193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44445599 + 44445600.

It is an arithmetic number, because the mean of its divisors is an integer number (44445600).

Almost surely, 2^88891199 is an apocalyptic number.

88891199 is a deficient number, since it is larger than the sum of its proper divisors (1).

88891199 is an equidigital number, since it uses as much as digits as its factorization.

88891199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 53.

The square root of 88891199 is about 9428.2129271671. The cubic root of 88891199 is about 446.2924995159.

The spelling of 88891199 in words is "eighty-eight million, eight hundred ninety-one thousand, one hundred ninety-nine".