98631577 has 12 divisors (see below), whose sum is σ = 108732820. Its totient is φ = 89400960.

The previous prime is 98631557. The next prime is 98631587. The reversal of 98631577 is 77513689.

It can be written as a sum of positive squares in 2 ways, for example, as 82156096 + 16475481 = 9064^2 + 4059^2 .

It is not a de Polignac number, because 98631577 - 2²³ = 90242969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98631557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48493 + ... + 50485.

Almost surely, 2^98631577 is an apocalyptic number.

It is an amenable number.

98631577 is a deficient number, since it is larger than the sum of its proper divisors (10101243).

98631577 is a wasteful number, since it uses less digits than its factorization.

98631577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424 (or 2413 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 98631577 is about 9931.3431619293. The cubic root of 98631577 is about 462.0319327890.

The spelling of 98631577 in words is "ninety-eight million, six hundred thirty-one thousand, five hundred seventy-seven".