378780956 has 12 divisors (see below), whose sum is σ = 663941880. Its totient is φ = 189083280.

The previous prime is 378780931. The next prime is 378780967. The reversal of 378780956 is 659087873.

It is a junction number, because it is equal to n+sod(n) for n = 378780898 and 378780907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74015 + ... + 78966.

It is an arithmetic number, because the mean of its divisors is an integer number (55328490).

Almost surely, 2^378780956 is an apocalyptic number.

It is an amenable number.

378780956 is a deficient number, since it is larger than the sum of its proper divisors (285160924).

378780956 is a wasteful number, since it uses less digits than its factorization.

378780956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153604 (or 153602 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 378780956 is about 19462.2957535847. The cubic root of 378780956 is about 723.5402772197.

The spelling of 378780956 in words is "three hundred seventy-eight million, seven hundred eighty thousand, nine hundred fifty-six".