3865684244976 has 30 divisors (see below), whose sum is σ = 10818546880440. Its totient is φ = 1288561414944.

The previous prime is 3865684244971. The next prime is 3865684244987. The reversal of 3865684244976 is 6794424865683.

3865684244976 is a `hidden beast` number, since 3 + 8 + 6 + 56 + 84 + 2 + 4 + 497 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865684244971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13422514596 + ... + 13422514883.

It is an arithmetic number, because the mean of its divisors is an integer number (360618229348).

Almost surely, 2^{3865684244976} is an apocalyptic number.

3865684244976 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3865684244976 is an abundant number, since it is smaller than the sum of its proper divisors (6952862635464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3865684244976 is a wasteful number, since it uses less digits than its factorization.

3865684244976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26845029493 (or 26845029484 counting only the distinct ones).

The product of its digits is 1672151040, while the sum is 72.

The spelling of 3865684244976 in words is "three trillion, eight hundred sixty-five billion, six hundred eighty-four million, two hundred forty-four thousand, nine hundred seventy-six".