47261109 has 16 divisors (see below), whose sum is σ = 72282240. Its totient is φ = 26906880.

The previous prime is 47261087. The next prime is 47261111. The reversal of 47261109 is 90116274.

It is a happy number.

47261109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47261109 - 2⁸ = 47260853 is a prime.

It is a super-2 number, since 2×47261109² = 4467224847819762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47261119) 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 15 ways as a sum of consecutive naturals, for example, 1897 + ... + 9905.

It is an arithmetic number, because the mean of its divisors is an integer number (4517640).

Almost surely, 2^47261109 is an apocalyptic number.

It is an amenable number.

47261109 is a deficient number, since it is larger than the sum of its proper divisors (25021131).

47261109 is a wasteful number, since it uses less digits than its factorization.

47261109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8300.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 47261109 is about 6874.6715557909. The cubic root of 47261109 is about 361.5496699674.

The spelling of 47261109 in words is "forty-seven million, two hundred sixty-one thousand, one hundred nine".