378280794816 has 56 divisors (see below), whose sum is σ = 1112075489840. Its totient is φ = 126093597696.

The previous prime is 378280794799. The next prime is 378280794821. The reversal of 378280794816 is 618497082873.

378280794816 is a `hidden beast` number, since 3 + 7 + 8 + 2 + 80 + 79 + 481 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109454521 + ... + 109457976.

It is an arithmetic number, because the mean of its divisors is an integer number (19858490890).

Almost surely, 2^378280794816 is an apocalyptic number.

378280794816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

378280794816 is an abundant number, since it is smaller than the sum of its proper divisors (733794695024).

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

378280794816 is a wasteful number, since it uses less digits than its factorization.

378280794816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218912518 (or 218912502 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 378280794816 in words is "three hundred seventy-eight billion, two hundred eighty million, seven hundred ninety-four thousand, eight hundred sixteen".