98885987 has 2 divisors, whose sum is σ = 98885988. Its totient is φ = 98885986.

The previous prime is 98885981. The next prime is 98886023. The reversal of 98885987 is 78958889.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98885987 - 2¹² = 98881891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98885981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49442993 + 49442994.

It is an arithmetic number, because the mean of its divisors is an integer number (49442994).

Almost surely, 2^98885987 is an apocalyptic number.

98885987 is a deficient number, since it is larger than the sum of its proper divisors (1).

98885987 is an equidigital number, since it uses as much as digits as its factorization.

98885987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 62.

The square root of 98885987 is about 9944.1433517423. The cubic root of 98885987 is about 462.4288463219.

The spelling of 98885987 in words is "ninety-eight million, eight hundred eighty-five thousand, nine hundred eighty-seven".