47910885 has 16 divisors (see below), whose sum is σ = 83626560. Its totient is φ = 23229440.

The previous prime is 47910883. The next prime is 47910911. The reversal of 47910885 is 58801974.

It is not a de Polignac number, because 47910885 - 2¹ = 47910883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47910883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145020 + ... + 145349.

It is an arithmetic number, because the mean of its divisors is an integer number (5226660).

Almost surely, 2^47910885 is an apocalyptic number.

It is an amenable number.

47910885 is a deficient number, since it is larger than the sum of its proper divisors (35715675).

47910885 is a wasteful number, since it uses less digits than its factorization.

47910885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290388.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 47910885 is about 6921.7689213091. The cubic root of 47910885 is about 363.1990727083.

The spelling of 47910885 in words is "forty-seven million, nine hundred ten thousand, eight hundred eighty-five".