3879487409 has 8 divisors (see below), whose sum is σ = 4436372928. Its totient is φ = 3323270160.

The previous prime is 3879487373. The next prime is 3879487421. The reversal of 3879487409 is 9047849783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3879487409 - 2⁸ = 3879487153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3879487429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154562 + ... + 177899.

It is an arithmetic number, because the mean of its divisors is an integer number (554546616).

Almost surely, 2^3879487409 is an apocalyptic number.

It is an amenable number.

3879487409 is a deficient number, since it is larger than the sum of its proper divisors (556885519).

3879487409 is a wasteful number, since it uses less digits than its factorization.

3879487409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334135.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The square root of 3879487409 is about 62285.5312974049. The cubic root of 3879487409 is about 1571.2964002519.

The spelling of 3879487409 in words is "three billion, eight hundred seventy-nine million, four hundred eighty-seven thousand, four hundred nine".