378961475 has 6 divisors (see below), whose sum is σ = 469912260. Its totient is φ = 303169160.

The previous prime is 378961421. The next prime is 378961489. The reversal of 378961475 is 574169873.

It is not a de Polignac number, because 378961475 - 2¹⁰ = 378960451 is a prime.

It is a super-2 number, since 2×378961475² = 287223599068351250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7579205 + ... + 7579254.

It is an arithmetic number, because the mean of its divisors is an integer number (78318710).

Almost surely, 2^378961475 is an apocalyptic number.

378961475 is a deficient number, since it is larger than the sum of its proper divisors (90950785).

378961475 is a wasteful number, since it uses less digits than its factorization.

378961475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15158469 (or 15158464 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The square root of 378961475 is about 19466.9328606229. The cubic root of 378961475 is about 723.6552003009.

The spelling of 378961475 in words is "three hundred seventy-eight million, nine hundred sixty-one thousand, four hundred seventy-five".