47124857 has 8 divisors (see below), whose sum is σ = 51018240. Its totient is φ = 43269840.

The previous prime is 47124851. The next prime is 47124863. The reversal of 47124857 is 75842174.

It is an interprime number because it is at equal distance from previous prime (47124851) and next prime (47124863).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47124857 - 2⁴ = 47124841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47124857.

It is not an unprimeable number, because it can be changed into a prime (47124851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7007 + ... + 11972.

It is an arithmetic number, because the mean of its divisors is an integer number (6377280).

Almost surely, 2^47124857 is an apocalyptic number.

It is an amenable number.

47124857 is a deficient number, since it is larger than the sum of its proper divisors (3893383).

47124857 is a wasteful number, since it uses less digits than its factorization.

47124857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19183.

The product of its digits is 62720, while the sum is 38.

The square root of 47124857 is about 6864.7546933594. The cubic root of 47124857 is about 361.2018908408.

The spelling of 47124857 in words is "forty-seven million, one hundred twenty-four thousand, eight hundred fifty-seven".