98912232231257 has 2 divisors, whose sum is σ = 98912232231258. Its totient is φ = 98912232231256.

The previous prime is 98912232231119. The next prime is 98912232231269. The reversal of 98912232231257 is 75213223221989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76120669280656 + 22791562950601 = 8724716^2 + 4774051^2 .

It is a cyclic number.

It is not a de Polignac number, because 98912232231257 - 2¹⁸ = 98912231969113 is a prime.

It is a super-2 number, since 2×98912232231257² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98912232251257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49456116115628 + 49456116115629.

It is an arithmetic number, because the mean of its divisors is an integer number (49456116115629).

Almost surely, 2^{98912232231257} is an apocalyptic number.

It is an amenable number.

98912232231257 is a deficient number, since it is larger than the sum of its proper divisors (1).

98912232231257 is an equidigital number, since it uses as much as digits as its factorization.

98912232231257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 56.

The spelling of 98912232231257 in words is "ninety-eight trillion, nine hundred twelve billion, two hundred thirty-two million, two hundred thirty-one thousand, two hundred fifty-seven".