47878268 has 6 divisors (see below), whose sum is σ = 83786976. Its totient is φ = 23939132.

The previous prime is 47878261. The next prime is 47878277. The reversal of 47878268 is 86287874.

47878268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47878261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5984780 + ... + 5984787.

It is an arithmetic number, because the mean of its divisors is an integer number (13964496).

Almost surely, 2^47878268 is an apocalyptic number.

It is an amenable number.

47878268 is a deficient number, since it is larger than the sum of its proper divisors (35908708).

47878268 is a wasteful number, since it uses less digits than its factorization.

47878268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11969571 (or 11969569 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 50.

The square root of 47878268 is about 6919.4124027984. The cubic root of 47878268 is about 363.1166338675.

The spelling of 47878268 in words is "forty-seven million, eight hundred seventy-eight thousand, two hundred sixty-eight".