98077974035381 has 2 divisors, whose sum is σ = 98077974035382. Its totient is φ = 98077974035380.

The previous prime is 98077974035359. The next prime is 98077974035441. The reversal of 98077974035381 is 18353047977089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84793341388900 + 13284632646481 = 9208330^2 + 3644809^2 .

It is a cyclic number.

It is not a de Polignac number, because 98077974035381 - 2²² = 98077969841077 is a prime.

It is a super-2 number, since 2×98077974035381² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98077974035081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49038987017690 + 49038987017691.

It is an arithmetic number, because the mean of its divisors is an integer number (49038987017691).

Almost surely, 2^{98077974035381} is an apocalyptic number.

It is an amenable number.

98077974035381 is a deficient number, since it is larger than the sum of its proper divisors (1).

98077974035381 is an equidigital number, since it uses as much as digits as its factorization.

98077974035381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320060160, while the sum is 71.

The spelling of 98077974035381 in words is "ninety-eight trillion, seventy-seven billion, nine hundred seventy-four million, thirty-five thousand, three hundred eighty-one".