47278256 has 10 divisors (see below), whose sum is σ = 91601652. Its totient is φ = 23639120.

The previous prime is 47278249. The next prime is 47278277. The reversal of 47278256 is 65287274.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1477430 + ... + 1477461.

Almost surely, 2^47278256 is an apocalyptic number.

It is an amenable number.

47278256 is a deficient number, since it is larger than the sum of its proper divisors (44323396).

47278256 is a wasteful number, since it uses less digits than its factorization.

47278256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954899 (or 2954893 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 47278256 is about 6875.9185568184. The cubic root of 47278256 is about 361.5933897948.

The spelling of 47278256 in words is "forty-seven million, two hundred seventy-eight thousand, two hundred fifty-six".