3782617685 has 64 divisors (see below), whose sum is σ = 5801393664. Its totient is φ = 2299315200.

The previous prime is 3782617637. The next prime is 3782617693. The reversal of 3782617685 is 5867162873.

3782617685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3782617685 - 2⁶ = 3782617621 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4019315 + ... + 4020255.

It is an arithmetic number, because the mean of its divisors is an integer number (90646776).

Almost surely, 2^3782617685 is an apocalyptic number.

3782617685 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3782617685 is a deficient number, since it is larger than the sum of its proper divisors (2018775979).

3782617685 is a wasteful number, since it uses less digits than its factorization.

3782617685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214.

The product of its digits is 3386880, while the sum is 53.

The square root of 3782617685 is about 61502.9892362965. The cubic root of 3782617685 is about 1558.1077326063.

The spelling of 3782617685 in words is "three billion, seven hundred eighty-two million, six hundred seventeen thousand, six hundred eighty-five".