47873591 has 2 divisors, whose sum is σ = 47873592. Its totient is φ = 47873590.

The previous prime is 47873587. The next prime is 47873599. The reversal of 47873591 is 19537874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47873591 - 2² = 47873587 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47873599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23936795 + 23936796.

It is an arithmetic number, because the mean of its divisors is an integer number (23936796).

Almost surely, 2^47873591 is an apocalyptic number.

47873591 is a deficient number, since it is larger than the sum of its proper divisors (1).

47873591 is an equidigital number, since it uses as much as digits as its factorization.

47873591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The square root of 47873591 is about 6919.0744323211. The cubic root of 47873591 is about 363.1048097709.

The spelling of 47873591 in words is "forty-seven million, eight hundred seventy-three thousand, five hundred ninety-one".