378897856 has 14 divisors (see below), whose sum is σ = 751875560. Its totient is φ = 189448896.

The previous prime is 378897833. The next prime is 378897859. The reversal of 378897856 is 658798873.

It is a junction number, because it is equal to n+sod(n) for n = 378897794 and 378897803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378897859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2960076 + ... + 2960203.

Almost surely, 2^378897856 is an apocalyptic number.

It is an amenable number.

378897856 is a deficient number, since it is larger than the sum of its proper divisors (372977704).

378897856 is an equidigital number, since it uses as much as digits as its factorization.

378897856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5920291 (or 5920281 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 61.

The square root of 378897856 is about 19465.2987647249. The cubic root of 378897856 is about 723.6147029595.

The spelling of 378897856 in words is "three hundred seventy-eight million, eight hundred ninety-seven thousand, eight hundred fifty-six".