98081574317 has 2 divisors, whose sum is σ = 98081574318. Its totient is φ = 98081574316.

The previous prime is 98081574287. The next prime is 98081574359. The reversal of 98081574317 is 71347518089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49103900836 + 48977673481 = 221594^2 + 221309^2 .

It is a cyclic number.

It is not a de Polignac number, because 98081574317 - 2²⁸ = 97813138861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98081574377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49040787158 + 49040787159.

It is an arithmetic number, because the mean of its divisors is an integer number (49040787159).

Almost surely, 2^98081574317 is an apocalyptic number.

It is an amenable number.

98081574317 is a deficient number, since it is larger than the sum of its proper divisors (1).

98081574317 is an equidigital number, since it uses as much as digits as its factorization.

98081574317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 98081574317 in words is "ninety-eight billion, eighty-one million, five hundred seventy-four thousand, three hundred seventeen".