47278867 has 8 divisors (see below), whose sum is σ = 47904752. Its totient is φ = 46656000.

The previous prime is 47278849. The next prime is 47278871. The reversal of 47278867 is 76887274.

It is a happy number.

47278867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47278867 - 2⁷ = 47278739 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 47278867.

It is not an unprimeable number, because it can be changed into a prime (47278877) 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 in 7 ways as a sum of consecutive naturals, for example, 57892 + ... + 58702.

It is an arithmetic number, because the mean of its divisors is an integer number (5988094).

Almost surely, 2^47278867 is an apocalyptic number.

47278867 is a deficient number, since it is larger than the sum of its proper divisors (625885).

47278867 is an equidigital number, since it uses as much as digits as its factorization.

47278867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509.

The product of its digits is 1053696, while the sum is 49.

The square root of 47278867 is about 6875.9629871022. The cubic root of 47278867 is about 361.5949474708.

The spelling of 47278867 in words is "forty-seven million, two hundred seventy-eight thousand, eight hundred sixty-seven".