47051867 has 2 divisors, whose sum is σ = 47051868. Its totient is φ = 47051866.

The previous prime is 47051861. The next prime is 47051899. The reversal of 47051867 is 76815074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47051867 - 2⁸ = 47051611 is a prime.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 47051867.

It is not a weakly prime, because it can be changed into another prime (47051861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23525933 + 23525934.

It is an arithmetic number, because the mean of its divisors is an integer number (23525934).

Almost surely, 2^47051867 is an apocalyptic number.

47051867 is a deficient number, since it is larger than the sum of its proper divisors (1).

47051867 is an equidigital number, since it uses as much as digits as its factorization.

47051867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 47051867 is about 6859.4363471061. The cubic root of 47051867 is about 361.0153102624.

The spelling of 47051867 in words is "forty-seven million, fifty-one thousand, eight hundred sixty-seven".