98657659 has 2 divisors, whose sum is σ = 98657660. Its totient is φ = 98657658.

The previous prime is 98657641. The next prime is 98657687. The reversal of 98657659 is 95675689.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (95675689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98657659 - 2⁵ = 98657627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98657639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49328829 + 49328830.

It is an arithmetic number, because the mean of its divisors is an integer number (49328830).

Almost surely, 2^98657659 is an apocalyptic number.

98657659 is a deficient number, since it is larger than the sum of its proper divisors (1).

98657659 is an equidigital number, since it uses as much as digits as its factorization.

98657659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 55.

The square root of 98657659 is about 9932.6561905665. The cubic root of 98657659 is about 462.0726555649.

The spelling of 98657659 in words is "ninety-eight million, six hundred fifty-seven thousand, six hundred fifty-nine".