378815488252 has 12 divisors (see below), whose sum is σ = 672264106416. Its totient is φ = 186740029280.

The previous prime is 378815488211. The next prime is 378815488321. The reversal of 378815488252 is 252884518873.

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, 666928393 + ... + 666928960.

It is an arithmetic number, because the mean of its divisors is an integer number (56022008868).

Almost surely, 2^378815488252 is an apocalyptic number.

It is an amenable number.

378815488252 is a deficient number, since it is larger than the sum of its proper divisors (293448618164).

378815488252 is a wasteful number, since it uses less digits than its factorization.

378815488252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333857428 (or 1333857426 counting only the distinct ones).

The product of its digits is 34406400, while the sum is 61.

The spelling of 378815488252 in words is "three hundred seventy-eight billion, eight hundred fifteen million, four hundred eighty-eight thousand, two hundred fifty-two".