47108869 has 2 divisors, whose sum is σ = 47108870. Its totient is φ = 47108868.

The previous prime is 47108851. The next prime is 47108903. The reversal of 47108869 is 96880174.

47108869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47100769 + 8100 = 6863^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 47108869 - 2⁵ = 47108837 is a prime.

It is a super-2 number, since 2×47108869² = 4438491076918322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47108849) 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, 23554434 + 23554435.

It is an arithmetic number, because the mean of its divisors is an integer number (23554435).

Almost surely, 2^47108869 is an apocalyptic number.

It is an amenable number.

47108869 is a deficient number, since it is larger than the sum of its proper divisors (1).

47108869 is an equidigital number, since it uses as much as digits as its factorization.

47108869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 47108869 is about 6863.5900955695. The cubic root of 47108869 is about 361.1610380269.

The spelling of 47108869 in words is "forty-seven million, one hundred eight thousand, eight hundred sixty-nine".