98980087 has 2 divisors, whose sum is σ = 98980088. Its totient is φ = 98980086.

The previous prime is 98980067. The next prime is 98980121. The reversal of 98980087 is 78008989.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98980087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98980087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98980067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49490043 + 49490044.

It is an arithmetic number, because the mean of its divisors is an integer number (49490044).

Almost surely, 2^98980087 is an apocalyptic number.

98980087 is a deficient number, since it is larger than the sum of its proper divisors (1).

98980087 is an equidigital number, since it uses as much as digits as its factorization.

98980087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 49.

The square root of 98980087 is about 9948.8736548415. The cubic root of 98980087 is about 462.5754823965.

The spelling of 98980087 in words is "ninety-eight million, nine hundred eighty thousand, eighty-seven".