3863956380894 has 24 divisors (see below), whose sum is σ = 8372168516712. Its totient is φ = 1287944994960.

The previous prime is 3863956380841. The next prime is 3863956380899. The reversal of 3863956380894 is 4980836593683.

3863956380894 is a `hidden beast` number, since 3 + 86 + 3 + 95 + 6 + 380 + 89 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3863956380899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2780464 + ... + 3931779.

It is an arithmetic number, because the mean of its divisors is an integer number (348840354863).

Almost surely, 2^{3863956380894} is an apocalyptic number.

3863956380894 is an abundant number, since it is smaller than the sum of its proper divisors (4508212135818).

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

3863956380894 is a wasteful number, since it uses less digits than its factorization.

3863956380894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744232 (or 6744229 counting only the distinct ones).

The product of its (nonzero) digits is 806215680, while the sum is 72.

The spelling of 3863956380894 in words is "three trillion, eight hundred sixty-three billion, nine hundred fifty-six million, three hundred eighty thousand, eight hundred ninety-four".