98610686761 has 12 divisors (see below), whose sum is σ = 108364694220. Its totient is φ = 89609703680.

The previous prime is 98610686753. The next prime is 98610686771. The reversal of 98610686761 is 16768601689.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 13778299161 + 84832387600 = 117381^2 + 291260^2 .

It is not a de Polignac number, because 98610686761 - 2³ = 98610686753 is a prime.

It is a super-2 number, since 2×98610686761² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98610686696 and 98610686705.

It is not an unprimeable number, because it can be changed into a prime (98610686731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5874610 + ... + 5891371.

It is an arithmetic number, because the mean of its divisors is an integer number (9030391185).

Almost surely, 2^98610686761 is an apocalyptic number.

It is an amenable number.

98610686761 is a deficient number, since it is larger than the sum of its proper divisors (9754007459).

98610686761 is a wasteful number, since it uses less digits than its factorization.

98610686761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11766044 (or 11766027 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 98610686761 in words is "ninety-eight billion, six hundred ten million, six hundred eighty-six thousand, seven hundred sixty-one".