47917099 has 2 divisors, whose sum is σ = 47917100. Its totient is φ = 47917098.

The previous prime is 47917097. The next prime is 47917117. The reversal of 47917099 is 99071974.

47917099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47917099 - 2¹ = 47917097 is a prime.

Together with 47917097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47917091) by changing a digit.

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 as a sum of consecutive naturals, namely, 23958549 + 23958550.

It is an arithmetic number, because the mean of its divisors is an integer number (23958550).

Almost surely, 2^47917099 is an apocalyptic number.

47917099 is a deficient number, since it is larger than the sum of its proper divisors (1).

47917099 is an equidigital number, since it uses as much as digits as its factorization.

47917099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 47917099 is about 6922.2177804516. The cubic root of 47917099 is about 363.2147742305.

It can be divided in two parts, 479 and 17099, that added together give a triangular number (17578 = T₁₈₇).

The spelling of 47917099 in words is "forty-seven million, nine hundred seventeen thousand, ninety-nine".