3876539842 has 12 divisors (see below), whose sum is σ = 6764166630. Its totient is φ = 1661374176.

The previous prime is 3876539773. The next prime is 3876539851. The reversal of 3876539842 is 2489356783.

It can be written as a sum of positive squares in only one way, i.e., 2790903241 + 1085636601 = 52829^2 + 32949^2 .

It is a super-2 number, since 2×3876539842² = 30055122293226769928, which contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 19778167 + ... + 19778362.

Almost surely, 2^3876539842 is an apocalyptic number.

3876539842 is a deficient number, since it is larger than the sum of its proper divisors (2887626788).

3876539842 is a wasteful number, since it uses less digits than its factorization.

3876539842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39556545 (or 39556538 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The square root of 3876539842 is about 62261.8650700411. The cubic root of 3876539842 is about 1570.8983515407.

The spelling of 3876539842 in words is "three billion, eight hundred seventy-six million, five hundred thirty-nine thousand, eight hundred forty-two".