47775904927 has 2 divisors, whose sum is σ = 47775904928. Its totient is φ = 47775904926.

The previous prime is 47775904889. The next prime is 47775904931. The reversal of 47775904927 is 72940957774.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47775904927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47775904997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23887952463 + 23887952464.

It is an arithmetic number, because the mean of its divisors is an integer number (23887952464).

Almost surely, 2^47775904927 is an apocalyptic number.

47775904927 is a deficient number, since it is larger than the sum of its proper divisors (1).

47775904927 is an equidigital number, since it uses as much as digits as its factorization.

47775904927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31116960, while the sum is 61.

The spelling of 47775904927 in words is "forty-seven billion, seven hundred seventy-five million, nine hundred four thousand, nine hundred twenty-seven".