98240686057 has 2 divisors, whose sum is σ = 98240686058. Its totient is φ = 98240686056.

The previous prime is 98240686021. The next prime is 98240686067. The reversal of 98240686057 is 75068604289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98009068096 + 231617961 = 313064^2 + 15219^2 .

It is a cyclic number.

It is not a de Polignac number, because 98240686057 - 2¹⁵ = 98240653289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98240685989 and 98240686007.

It is not a weakly prime, because it can be changed into another prime (98240686067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49120343028 + 49120343029.

It is an arithmetic number, because the mean of its divisors is an integer number (49120343029).

Almost surely, 2^98240686057 is an apocalyptic number.

It is an amenable number.

98240686057 is a deficient number, since it is larger than the sum of its proper divisors (1).

98240686057 is an equidigital number, since it uses as much as digits as its factorization.

98240686057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 98240686057 in words is "ninety-eight billion, two hundred forty million, six hundred eighty-six thousand, fifty-seven".