47830434787 has 2 divisors, whose sum is σ = 47830434788. Its totient is φ = 47830434786.

The previous prime is 47830434731. The next prime is 47830434797. The reversal of 47830434787 is 78743403874.

47830434787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47830434787 is a prime.

It is not a weakly prime, because it can be changed into another prime (47830434797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23915217393 + 23915217394.

It is an arithmetic number, because the mean of its divisors is an integer number (23915217394).

Almost surely, 2^47830434787 is an apocalyptic number.

47830434787 is a deficient number, since it is larger than the sum of its proper divisors (1).

47830434787 is an equidigital number, since it uses as much as digits as its factorization.

47830434787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12644352, while the sum is 55.

The spelling of 47830434787 in words is "forty-seven billion, eight hundred thirty million, four hundred thirty-four thousand, seven hundred eighty-seven".