47857378 has 16 divisors (see below), whose sum is σ = 73249920. Its totient is φ = 23443600.

The previous prime is 47857351. The next prime is 47857393. The reversal of 47857378 is 87375874.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50388 + ... + 51328.

It is an arithmetic number, because the mean of its divisors is an integer number (4578120).

Almost surely, 2^47857378 is an apocalyptic number.

47857378 is a deficient number, since it is larger than the sum of its proper divisors (25392542).

47857378 is a wasteful number, since it uses less digits than its factorization.

47857378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433.

The product of its digits is 1317120, while the sum is 49.

The square root of 47857378 is about 6917.9027168644. The cubic root of 47857378 is about 363.0638151233.

The spelling of 47857378 in words is "forty-seven million, eight hundred fifty-seven thousand, three hundred seventy-eight".