378551504 has 10 divisors (see below), whose sum is σ = 733443570. Its totient is φ = 189275744.

The previous prime is 378551399. The next prime is 378551539. The reversal of 378551504 is 405155873.

It can be written as a sum of positive squares in only one way, i.e., 281568400 + 96983104 = 16780^2 + 9848^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11829719 + ... + 11829750.

It is an arithmetic number, because the mean of its divisors is an integer number (73344357).

Almost surely, 2^378551504 is an apocalyptic number.

It is an amenable number.

378551504 is a deficient number, since it is larger than the sum of its proper divisors (354892066).

378551504 is a wasteful number, since it uses less digits than its factorization.

378551504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23659477 (or 23659471 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 378551504 is about 19456.4000781234. The cubic root of 378551504 is about 723.3941494072.

The spelling of 378551504 in words is "three hundred seventy-eight million, five hundred fifty-one thousand, five hundred four".