3880617685 has 16 divisors (see below), whose sum is σ = 5371733376. Its totient is φ = 2636123328.

The previous prime is 3880617647. The next prime is 3880617701. The reversal of 3880617685 is 5867160883.

It is a cyclic number.

It is not a de Polignac number, because 3880617685 - 2¹⁷ = 3880486613 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 514362 + ... + 521851.

It is an arithmetic number, because the mean of its divisors is an integer number (335733336).

Almost surely, 2^3880617685 is an apocalyptic number.

3880617685 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3880617685 is a deficient number, since it is larger than the sum of its proper divisors (1491115691).

3880617685 is a wasteful number, since it uses less digits than its factorization.

3880617685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036332.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 3880617685 is about 62294.6039797991. The cubic root of 3880617685 is about 1571.4489827947.

The spelling of 3880617685 in words is "three billion, eight hundred eighty million, six hundred seventeen thousand, six hundred eighty-five".