47899827 has 6 divisors (see below), whose sum is σ = 69188652. Its totient is φ = 31933212.

The previous prime is 47899811. The next prime is 47899837. The reversal of 47899827 is 72899874.

47899827 is a `hidden beast` number, since 478 + 99 + 82 + 7 = 666.

It is not a de Polignac number, because 47899827 - 2⁴ = 47899811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47899837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2661093 + ... + 2661110.

It is an arithmetic number, because the mean of its divisors is an integer number (11531442).

Almost surely, 2^47899827 is an apocalyptic number.

47899827 is a deficient number, since it is larger than the sum of its proper divisors (21288825).

47899827 is a wasteful number, since it uses less digits than its factorization.

47899827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322209 (or 5322206 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 47899827 is about 6920.9700909627. The cubic root of 47899827 is about 363.1711280191.

The spelling of 47899827 in words is "forty-seven million, eight hundred ninety-nine thousand, eight hundred twenty-seven".