47115999 has 42 divisors (see below), whose sum is σ = 82237320. Its totient is φ = 26903016.

The previous prime is 47115989. The next prime is 47116021. The reversal of 47115999 is 99951174.

47115999 is a `hidden beast` number, since 47 + 11 + 599 + 9 = 666.

It is not a de Polignac number, because 47115999 - 2⁵ = 47115967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47115979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 35062 + ... + 36380.

Almost surely, 2^47115999 is an apocalyptic number.

47115999 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

47115999 is a deficient number, since it is larger than the sum of its proper divisors (35121321).

47115999 is an equidigital number, since it uses as much as digits as its factorization.

47115999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351 (or 1329 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 47115999 is about 6864.1094833926. The cubic root of 47115999 is about 361.1792578678.

The spelling of 47115999 in words is "forty-seven million, one hundred fifteen thousand, nine hundred ninety-nine".