98726681 has 2 divisors, whose sum is σ = 98726682. Its totient is φ = 98726680.

The previous prime is 98726671. The next prime is 98726713. The reversal of 98726681 is 18662789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51337225 + 47389456 = 7165^2 + 6884^2 .

It is a cyclic number.

It is not a de Polignac number, because 98726681 - 2¹⁸ = 98464537 is a prime.

It is a super-2 number, since 2×98726681² = 19493915082551522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (98726611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49363340 + 49363341.

It is an arithmetic number, because the mean of its divisors is an integer number (49363341).

Almost surely, 2^98726681 is an apocalyptic number.

It is an amenable number.

98726681 is a deficient number, since it is larger than the sum of its proper divisors (1).

98726681 is an equidigital number, since it uses as much as digits as its factorization.

98726681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 47.

The square root of 98726681 is about 9936.1300816767. The cubic root of 98726681 is about 462.1803875086.

The spelling of 98726681 in words is "ninety-eight million, seven hundred twenty-six thousand, six hundred eighty-one".