98790322957 has 2 divisors, whose sum is σ = 98790322958. Its totient is φ = 98790322956.

The previous prime is 98790322931. The next prime is 98790322979. The reversal of 98790322957 is 75922309789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89203171561 + 9587151396 = 298669^2 + 97914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98790322957 is a prime.

It is a super-2 number, since 2×98790322957² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 98790322895 and 98790322904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98790322357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49395161478 + 49395161479.

It is an arithmetic number, because the mean of its divisors is an integer number (49395161479).

Almost surely, 2^98790322957 is an apocalyptic number.

It is an amenable number.

98790322957 is a deficient number, since it is larger than the sum of its proper divisors (1).

98790322957 is an equidigital number, since it uses as much as digits as its factorization.

98790322957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17146080, while the sum is 61.

The spelling of 98790322957 in words is "ninety-eight billion, seven hundred ninety million, three hundred twenty-two thousand, nine hundred fifty-seven".