98707681 has 4 divisors (see below), whose sum is σ = 99666112. Its totient is φ = 97749252.

The previous prime is 98707673. The next prime is 98707703. The reversal of 98707681 is 18670789.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98707681 - 2³ = 98707673 is a prime.

It is a super-2 number, since 2×98707681² = 19486412576795522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98707181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479061 + ... + 479266.

It is an arithmetic number, because the mean of its divisors is an integer number (24916528).

Almost surely, 2^98707681 is an apocalyptic number.

It is an amenable number.

98707681 is a deficient number, since it is larger than the sum of its proper divisors (958431).

98707681 is a wasteful number, since it uses less digits than its factorization.

98707681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958430.

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 98707681 is about 9935.1739290261. The cubic root of 98707681 is about 462.1507366562.

The spelling of 98707681 in words is "ninety-eight million, seven hundred seven thousand, six hundred eighty-one".