47888791 has 2 divisors, whose sum is σ = 47888792. Its totient is φ = 47888790.

The previous prime is 47888699. The next prime is 47888807. The reversal of 47888791 is 19788874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47888791 - 2⁷ = 47888663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47883791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23944395 + 23944396.

It is an arithmetic number, because the mean of its divisors is an integer number (23944396).

Almost surely, 2^47888791 is an apocalyptic number.

47888791 is a deficient number, since it is larger than the sum of its proper divisors (1).

47888791 is an equidigital number, since it uses as much as digits as its factorization.

47888791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 52.

The square root of 47888791 is about 6920.1727579592. The cubic root of 47888791 is about 363.1432346378.

The spelling of 47888791 in words is "forty-seven million, eight hundred eighty-eight thousand, seven hundred ninety-one".