378505465 has 16 divisors (see below), whose sum is σ = 489787200. Its totient is φ = 279145152.

The previous prime is 378505453. The next prime is 378505469. The reversal of 378505465 is 564505873.

It is not a de Polignac number, because 378505465 - 2¹¹ = 378503417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378505469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52446 + ... + 59224.

It is an arithmetic number, because the mean of its divisors is an integer number (30611700).

Almost surely, 2^378505465 is an apocalyptic number.

It is an amenable number.

378505465 is a deficient number, since it is larger than the sum of its proper divisors (111281735).

378505465 is a wasteful number, since it uses less digits than its factorization.

378505465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7656.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 378505465 is about 19455.2169096106. The cubic root of 378505465 is about 723.3648220959.

The spelling of 378505465 in words is "three hundred seventy-eight million, five hundred five thousand, four hundred sixty-five".