3763877665 has 16 divisors (see below), whose sum is σ = 4875552000. Its totient is φ = 2780865472.

The previous prime is 3763877633. The next prime is 3763877681. The reversal of 3763877665 is 5667783673.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3763877665 - 2⁵ = 3763877633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560965 + ... + 567634.

It is an arithmetic number, because the mean of its divisors is an integer number (304722000).

Almost surely, 2^3763877665 is an apocalyptic number.

It is an amenable number.

3763877665 is a deficient number, since it is larger than the sum of its proper divisors (1111674335).

3763877665 is a wasteful number, since it uses less digits than its factorization.

3763877665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128656.

The product of its digits is 26671680, while the sum is 58.

The square root of 3763877665 is about 61350.4495908547. The cubic root of 3763877665 is about 1555.5303884411.

The spelling of 3763877665 in words is "three billion, seven hundred sixty-three million, eight hundred seventy-seven thousand, six hundred sixty-five".