99887027 has 2 divisors, whose sum is σ = 99887028. Its totient is φ = 99887026.

The previous prime is 99887023. The next prime is 99887057. The reversal of 99887027 is 72078899.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99887027 - 2² = 99887023 is a prime.

It is not a weakly prime, because it can be changed into another prime (99887023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49943513 + 49943514.

It is an arithmetic number, because the mean of its divisors is an integer number (49943514).

Almost surely, 2^99887027 is an apocalyptic number.

99887027 is a deficient number, since it is larger than the sum of its proper divisors (1).

99887027 is an equidigital number, since it uses as much as digits as its factorization.

99887027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 99887027 is about 9994.3497537359. The cubic root of 99887027 is about 463.9840260925.

The spelling of 99887027 in words is "ninety-nine million, eight hundred eighty-seven thousand, twenty-seven".