47277863 has 2 divisors, whose sum is σ = 47277864. Its totient is φ = 47277862.

The previous prime is 47277829. The next prime is 47277869. The reversal of 47277863 is 36877274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47277863 - 2¹⁸ = 47015719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47277869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23638931 + 23638932.

It is an arithmetic number, because the mean of its divisors is an integer number (23638932).

Almost surely, 2^47277863 is an apocalyptic number.

47277863 is a deficient number, since it is larger than the sum of its proper divisors (1).

47277863 is an equidigital number, since it uses as much as digits as its factorization.

47277863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 44.

The square root of 47277863 is about 6875.8899787591. The cubic root of 47277863 is about 361.5923878783.

The spelling of 47277863 in words is "forty-seven million, two hundred seventy-seven thousand, eight hundred sixty-three".