98027956981 has 2 divisors, whose sum is σ = 98027956982. Its totient is φ = 98027956980.

The previous prime is 98027956969. The next prime is 98027957003. The reversal of 98027956981 is 18965972089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80188080625 + 17839876356 = 283175^2 + 133566^2 .

It is a cyclic number.

It is not a de Polignac number, because 98027956981 - 2²¹ = 98025859829 is a prime.

It is a super-2 number, since 2×98027956981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98027656981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49013978490 + 49013978491.

It is an arithmetic number, because the mean of its divisors is an integer number (49013978491).

Almost surely, 2^98027956981 is an apocalyptic number.

It is an amenable number.

98027956981 is a deficient number, since it is larger than the sum of its proper divisors (1).

98027956981 is an equidigital number, since it uses as much as digits as its factorization.

98027956981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 64.

The spelling of 98027956981 in words is "ninety-eight billion, twenty-seven million, nine hundred fifty-six thousand, nine hundred eighty-one".