378481077 has 72 divisors (see below), whose sum is σ = 639475200. Its totient is φ = 214980480.

The previous prime is 378481063. The next prime is 378481093. The reversal of 378481077 is 770184873.

It is a happy number.

It is not a de Polignac number, because 378481077 - 2⁸ = 378480821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378481277) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1084299 + ... + 1084647.

It is an arithmetic number, because the mean of its divisors is an integer number (8881600).

Almost surely, 2^378481077 is an apocalyptic number.

It is an amenable number.

378481077 is a deficient number, since it is larger than the sum of its proper divisors (260994123).

378481077 is a wasteful number, since it uses less digits than its factorization.

378481077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 378481077 is about 19454.5901267541. The cubic root of 378481077 is about 723.3492857282.

The spelling of 378481077 in words is "three hundred seventy-eight million, four hundred eighty-one thousand, seventy-seven".