47797905 has 16 divisors (see below), whose sum is σ = 76938624. Its totient is φ = 25338240.

The previous prime is 47797889. The next prime is 47797921. The reversal of 47797905 is 50979774.

47797905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47797889) and next prime (47797921).

It is not a de Polignac number, because 47797905 - 2⁴ = 47797889 is a prime.

It is an unprimeable number.

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, 7036 + ... + 12045.

It is an arithmetic number, because the mean of its divisors is an integer number (4808664).

Almost surely, 2^47797905 is an apocalyptic number.

It is an amenable number.

47797905 is a deficient number, since it is larger than the sum of its proper divisors (29140719).

47797905 is a wasteful number, since it uses less digits than its factorization.

47797905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19256.

The product of its (nonzero) digits is 555660, while the sum is 48.

The square root of 47797905 is about 6913.6028957411. The cubic root of 47797905 is about 362.9133580375.

The spelling of 47797905 in words is "forty-seven million, seven hundred ninety-seven thousand, nine hundred five".