47718255 has 32 divisors (see below), whose sum is σ = 83026944. Its totient is φ = 23262336.

The previous prime is 47718239. The next prime is 47718259. The reversal of 47718255 is 55281774.

It is not a de Polignac number, because 47718255 - 2⁴ = 47718239 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47718259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19722 + ... + 22008.

It is an arithmetic number, because the mean of its divisors is an integer number (2594592).

Almost surely, 2^47718255 is an apocalyptic number.

47718255 is a deficient number, since it is larger than the sum of its proper divisors (35308689).

47718255 is a wasteful number, since it uses less digits than its factorization.

47718255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415.

The product of its digits is 78400, while the sum is 39.

The square root of 47718255 is about 6907.8401110622. The cubic root of 47718255 is about 362.7116607726.

The spelling of 47718255 in words is "forty-seven million, seven hundred eighteen thousand, two hundred fifty-five".