47358791 has 4 divisors (see below), whose sum is σ = 47410272. Its totient is φ = 47307312.

The previous prime is 47358767. The next prime is 47358797. The reversal of 47358791 is 19785374.

47358791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47358791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47358797) 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 in 3 ways as a sum of consecutive naturals, for example, 24335 + ... + 26208.

It is an arithmetic number, because the mean of its divisors is an integer number (11852568).

Almost surely, 2^47358791 is an apocalyptic number.

47358791 is a deficient number, since it is larger than the sum of its proper divisors (51481).

47358791 is an equidigital number, since it uses as much as digits as its factorization.

47358791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51480.

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

The square root of 47358791 is about 6881.7723734515. The cubic root of 47358791 is about 361.7985891587.

The spelling of 47358791 in words is "forty-seven million, three hundred fifty-eight thousand, seven hundred ninety-one".