98664157 has 2 divisors, whose sum is σ = 98664158. Its totient is φ = 98664156.

The previous prime is 98664151. The next prime is 98664161. The reversal of 98664157 is 75146689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53787556 + 44876601 = 7334^2 + 6699^2 .

It is an emirp because it is prime and its reverse (75146689) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98664157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98664151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49332078 + 49332079.

It is an arithmetic number, because the mean of its divisors is an integer number (49332079).

Almost surely, 2^98664157 is an apocalyptic number.

It is an amenable number.

98664157 is a deficient number, since it is larger than the sum of its proper divisors (1).

98664157 is an equidigital number, since it uses as much as digits as its factorization.

98664157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 98664157 is about 9932.9832880157. The cubic root of 98664157 is about 462.0828000119.

The spelling of 98664157 in words is "ninety-eight million, six hundred sixty-four thousand, one hundred fifty-seven".