5674987638 has 24 divisors (see below), whose sum is σ = 12297231648. Its totient is φ = 1891443312.

The previous prime is 5674987597. The next prime is 5674987657. The reversal of 5674987638 is 8367894765.

5674987638 is a `hidden beast` number, since 567 + 4 + 9 + 8 + 7 + 63 + 8 = 666.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240120 + ... + 262692.

It is an arithmetic number, because the mean of its divisors is an integer number (512384652).

Almost surely, 2^5674987638 is an apocalyptic number.

5674987638 is an abundant number, since it is smaller than the sum of its proper divisors (6622244010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5674987638 is a wasteful number, since it uses less digits than its factorization.

5674987638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36548 (or 36545 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The square root of 5674987638 is about 75332.5138170764. The cubic root of 5674987638 is about 1783.6992920453.

The spelling of 5674987638 in words is "five billion, six hundred seventy-four million, nine hundred eighty-seven thousand, six hundred thirty-eight".