378782788 has 6 divisors (see below), whose sum is σ = 662869886. Its totient is φ = 189391392.

The previous prime is 378782783. The next prime is 378782827. The reversal of 378782788 is 887287873.

It can be written as a sum of positive squares in only one way, i.e., 333865984 + 44916804 = 18272^2 + 6702^2 .

It is not an unprimeable number, because it can be changed into a prime (378782783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47347845 + ... + 47347852.

Almost surely, 2^378782788 is an apocalyptic number.

It is an amenable number.

378782788 is a deficient number, since it is larger than the sum of its proper divisors (284087098).

378782788 is a wasteful number, since it uses less digits than its factorization.

378782788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94695701 (or 94695699 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 58.

The square root of 378782788 is about 19462.3428188900. The cubic root of 378782788 is about 723.5414437018.

The spelling of 378782788 in words is "three hundred seventy-eight million, seven hundred eighty-two thousand, seven hundred eighty-eight".