47857485 has 32 divisors (see below), whose sum is σ = 86808960. Its totient is φ = 22318848.

The previous prime is 47857477. The next prime is 47857493. The reversal of 47857485 is 58475874.

It is an interprime number because it is at equal distance from previous prime (47857477) and next prime (47857493).

It is not a de Polignac number, because 47857485 - 2³ = 47857477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2754 + ... + 10163.

It is an arithmetic number, because the mean of its divisors is an integer number (2712780).

Almost surely, 2^47857485 is an apocalyptic number.

It is an amenable number.

47857485 is a deficient number, since it is larger than the sum of its proper divisors (38951475).

47857485 is a wasteful number, since it uses less digits than its factorization.

47857485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12957.

The product of its digits is 1254400, while the sum is 48.

The square root of 47857485 is about 6917.9104504178. The cubic root of 47857485 is about 363.0640857036.

The spelling of 47857485 in words is "forty-seven million, eight hundred fifty-seven thousand, four hundred eighty-five".