98774487 has 24 divisors (see below), whose sum is σ = 163619456. Its totient is φ = 56247696.

The previous prime is 98774479. The next prime is 98774513. The reversal of 98774487 is 78447789.

98774487 is a `hidden beast` number, since 98 + 7 + 74 + 487 = 666.

It is not a de Polignac number, because 98774487 - 2³ = 98774479 is a prime.

It is a super-2 number, since 2×98774487² = 19512798564226338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98774447) 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 23 ways as a sum of consecutive naturals, for example, 16788 + ... + 21894.

Almost surely, 2^98774487 is an apocalyptic number.

98774487 is a deficient number, since it is larger than the sum of its proper divisors (64844969).

98774487 is a wasteful number, since it uses less digits than its factorization.

98774487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5427 (or 5424 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 98774487 is about 9938.5354554884. The cubic root of 98774487 is about 462.2549753506.

The spelling of 98774487 in words is "ninety-eight million, seven hundred seventy-four thousand, four hundred eighty-seven".