47814885 has 24 divisors (see below), whose sum is σ = 84121440. Its totient is φ = 25119072.

The previous prime is 47814883. The next prime is 47814901. The reversal of 47814885 is 58841874.

It is not a de Polignac number, because 47814885 - 2¹ = 47814883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 47814885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47814883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4915 + ... + 10944.

It is an arithmetic number, because the mean of its divisors is an integer number (3505060).

Almost surely, 2^47814885 is an apocalyptic number.

47814885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47814885 is a deficient number, since it is larger than the sum of its proper divisors (36306555).

47814885 is a wasteful number, since it uses less digits than its factorization.

47814885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15937 (or 15934 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 47814885 is about 6914.8308005330. The cubic root of 47814885 is about 362.9563274190.

The spelling of 47814885 in words is "forty-seven million, eight hundred fourteen thousand, eight hundred eighty-five".