378812554 has 4 divisors (see below), whose sum is σ = 568218834. Its totient is φ = 189406276.

The previous prime is 378812543. The next prime is 378812563. The reversal of 378812554 is 455218873.

378812554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 377408329 + 1404225 = 19427^2 + 1185^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 378812554.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94703137 + ... + 94703140.

Almost surely, 2^378812554 is an apocalyptic number.

378812554 is a deficient number, since it is larger than the sum of its proper divisors (189406280).

378812554 is a wasteful number, since it uses less digits than its factorization.

378812554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189406279.

The product of its digits is 268800, while the sum is 43.

The square root of 378812554 is about 19463.1075113919. The cubic root of 378812554 is about 723.5603959626.

The spelling of 378812554 in words is "three hundred seventy-eight million, eight hundred twelve thousand, five hundred fifty-four".