98659901 has 2 divisors, whose sum is σ = 98659902. Its totient is φ = 98659900.

The previous prime is 98659877. The next prime is 98659919. The reversal of 98659901 is 10995689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68079001 + 30580900 = 8251^2 + 5530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98659901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98659801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49329950 + 49329951.

It is an arithmetic number, because the mean of its divisors is an integer number (49329951).

Almost surely, 2^98659901 is an apocalyptic number.

It is an amenable number.

98659901 is a deficient number, since it is larger than the sum of its proper divisors (1).

98659901 is an equidigital number, since it uses as much as digits as its factorization.

98659901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 98659901 is about 9932.7690499679. The cubic root of 98659901 is about 462.0761557460.

The spelling of 98659901 in words is "ninety-eight million, six hundred fifty-nine thousand, nine hundred one".