3867578442 has 80 divisors (see below), whose sum is σ = 10666182912. Its totient is φ = 1020016800.

The previous prime is 3867578419. The next prime is 3867578467. The reversal of 3867578442 is 2448757683.

3867578442 is a `hidden beast` number, since 3 + 8 + 67 + 578 + 4 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 116434 + ... + 145917.

Almost surely, 2^3867578442 is an apocalyptic number.

3867578442 is an abundant number, since it is smaller than the sum of its proper divisors (6798604470).

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

3867578442 is a wasteful number, since it uses less digits than its factorization.

3867578442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262385 (or 262376 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 54.

The square root of 3867578442 is about 62189.8580316759. The cubic root of 3867578442 is about 1569.6869352923.

The spelling of 3867578442 in words is "three billion, eight hundred sixty-seven million, five hundred seventy-eight thousand, four hundred forty-two".