3880399505 has 16 divisors (see below), whose sum is σ = 4768243200. Its totient is φ = 3030401088.

The previous prime is 3880399463. The next prime is 3880399511. The reversal of 3880399505 is 5059930883.

It is a cyclic number.

It is not a de Polignac number, because 3880399505 - 2⁶ = 3880399441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15944 + ... + 89526.

It is an arithmetic number, because the mean of its divisors is an integer number (298015200).

Almost surely, 2^3880399505 is an apocalyptic number.

It is an amenable number.

3880399505 is a deficient number, since it is larger than the sum of its proper divisors (887843695).

3880399505 is a wasteful number, since it uses less digits than its factorization.

3880399505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73840.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 3880399505 is about 62292.8527601682. The cubic root of 3880399505 is about 1571.4195317131.

The spelling of 3880399505 in words is "three billion, eight hundred eighty million, three hundred ninety-nine thousand, five hundred five".