378275505 has 16 divisors (see below), whose sum is σ = 618119424. Its totient is φ = 197454080.

The previous prime is 378275489. The next prime is 378275519. The reversal of 378275505 is 505572873.

It is not a de Polignac number, because 378275505 - 2⁴ = 378275489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267576 + ... + 268985.

It is an arithmetic number, because the mean of its divisors is an integer number (38632464).

Almost surely, 2^378275505 is an apocalyptic number.

It is an amenable number.

378275505 is a deficient number, since it is larger than the sum of its proper divisors (239843919).

378275505 is a wasteful number, since it uses less digits than its factorization.

378275505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536616.

The product of its (nonzero) digits is 294000, while the sum is 42.

The square root of 378275505 is about 19449.3060287507. The cubic root of 378275505 is about 723.2182996202.

The spelling of 378275505 in words is "three hundred seventy-eight million, two hundred seventy-five thousand, five hundred five".