47845867 has 2 divisors, whose sum is σ = 47845868. Its totient is φ = 47845866.

The previous prime is 47845843. The next prime is 47845901. The reversal of 47845867 is 76854874.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47845867 - 2⁷ = 47845739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47845867.

It is not a weakly prime, because it can be changed into another prime (47845817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23922933 + 23922934.

It is an arithmetic number, because the mean of its divisors is an integer number (23922934).

Almost surely, 2^47845867 is an apocalyptic number.

47845867 is a deficient number, since it is larger than the sum of its proper divisors (1).

47845867 is an equidigital number, since it uses as much as digits as its factorization.

47845867 is an evil number, because the sum of its binary digits is even.

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

The square root of 47845867 is about 6917.0706950269. The cubic root of 47845867 is about 363.0347038843.

The spelling of 47845867 in words is "forty-seven million, eight hundred forty-five thousand, eight hundred sixty-seven".