47810851 has 16 divisors (see below), whose sum is σ = 55708128. Its totient is φ = 40888320.

The previous prime is 47810843. The next prime is 47810863. The reversal of 47810851 is 15801874.

It is not a de Polignac number, because 47810851 - 2³ = 47810843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47810831) 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, 21571 + ... + 23683.

It is an arithmetic number, because the mean of its divisors is an integer number (3481758).

Almost surely, 2^47810851 is an apocalyptic number.

47810851 is a deficient number, since it is larger than the sum of its proper divisors (7897277).

47810851 is a wasteful number, since it uses less digits than its factorization.

47810851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 47810851 is about 6914.5391024999. The cubic root of 47810851 is about 362.9461199491.

The spelling of 47810851 in words is "forty-seven million, eight hundred ten thousand, eight hundred fifty-one".