378945776 has 40 divisors (see below), whose sum is σ = 848075184. Its totient is φ = 162114560.

The previous prime is 378945727. The next prime is 378945779. The reversal of 378945776 is 677549873.

It is a super-2 number, since 2×378945776² = 287199802296484352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378945779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60335 + ... + 66318.

Almost surely, 2^378945776 is an apocalyptic number.

It is an amenable number.

378945776 is an abundant number, since it is smaller than the sum of its proper divisors (469129408).

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

378945776 is a wasteful number, since it uses less digits than its factorization.

378945776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126689 (or 126683 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 56.

The square root of 378945776 is about 19466.5296342209. The cubic root of 378945776 is about 723.6452073591.

The spelling of 378945776 in words is "three hundred seventy-eight million, nine hundred forty-five thousand, seven hundred seventy-six".