378811826868 has 48 divisors (see below), whose sum is σ = 931436835840. Its totient is φ = 119493410400.

The previous prime is 378811826843. The next prime is 378811826929. The reversal of 378811826868 is 868628118873.

It is a junction number, because it is equal to n+sod(n) for n = 378811826799 and 378811826808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704178 + ... + 1119593.

It is an arithmetic number, because the mean of its divisors is an integer number (19404934080).

Almost surely, 2^378811826868 is an apocalyptic number.

378811826868 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

378811826868 is an abundant number, since it is smaller than the sum of its proper divisors (552625008972).

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

378811826868 is a wasteful number, since it uses less digits than its factorization.

378811826868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824708 (or 1824706 counting only the distinct ones).

The product of its digits is 49545216, while the sum is 66.

The spelling of 378811826868 in words is "three hundred seventy-eight billion, eight hundred eleven million, eight hundred twenty-six thousand, eight hundred sixty-eight".