47468857 has 8 divisors (see below), whose sum is σ = 48845160. Its totient is φ = 46103040.

The previous prime is 47468819. The next prime is 47468873. The reversal of 47468857 is 75886474.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2027776 + 45441081 = 1424^2 + 6741^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47468857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47468857.

It is not an unprimeable number, because it can be changed into a prime (47468807) 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, 7069 + ... + 12037.

It is an arithmetic number, because the mean of its divisors is an integer number (6105645).

Almost surely, 2^47468857 is an apocalyptic number.

It is an amenable number.

47468857 is a deficient number, since it is larger than the sum of its proper divisors (1376303).

47468857 is a wasteful number, since it uses less digits than its factorization.

47468857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243.

The product of its digits is 1505280, while the sum is 49.

The square root of 47468857 is about 6889.7646549066. The cubic root of 47468857 is about 362.0786562291.

The spelling of 47468857 in words is "forty-seven million, four hundred sixty-eight thousand, eight hundred fifty-seven".