98987676587 has 2 divisors, whose sum is σ = 98987676588. Its totient is φ = 98987676586.

The previous prime is 98987676521. The next prime is 98987676631. The reversal of 98987676587 is 78567678989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98987676587 - 2¹² = 98987672491 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (98987676187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49493838293 + 49493838294.

It is an arithmetic number, because the mean of its divisors is an integer number (49493838294).

Almost surely, 2^98987676587 is an apocalyptic number.

98987676587 is a deficient number, since it is larger than the sum of its proper divisors (1).

98987676587 is an equidigital number, since it uses as much as digits as its factorization.

98987676587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2560481280, while the sum is 80.

The spelling of 98987676587 in words is "ninety-eight billion, nine hundred eighty-seven million, six hundred seventy-six thousand, five hundred eighty-seven".