3869847500868 has 18 divisors (see below), whose sum is σ = 9782114516174. Its totient is φ = 1289949166944.

The previous prime is 3869847500861. The next prime is 3869847500951. The reversal of 3869847500868 is 8680057489683.

3869847500868 is a `hidden beast` number, since 3 + 8 + 6 + 98 + 475 + 0 + 0 + 8 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2667969425664 + 1201878075204 = 1633392^2 + 1096302^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 3869847500796 and 3869847500805.

It is not an unprimeable number, because it can be changed into a prime (3869847500861) 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, 53747881921 + ... + 53747881992.

Almost surely, 2^{3869847500868} is an apocalyptic number.

It is an amenable number.

3869847500868 is an abundant number, since it is smaller than the sum of its proper divisors (5912267015306).

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

3869847500868 is a wasteful number, since it uses less digits than its factorization.

3869847500868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107495763923 (or 107495763918 counting only the distinct ones).

The product of its (nonzero) digits is 557383680, while the sum is 72.

The spelling of 3869847500868 in words is "three trillion, eight hundred sixty-nine billion, eight hundred forty-seven million, five hundred thousand, eight hundred sixty-eight".