47863643 has 2 divisors, whose sum is σ = 47863644. Its totient is φ = 47863642.

The previous prime is 47863637. The next prime is 47863649. The reversal of 47863643 is 34636874.

It is a balanced prime because it is at equal distance from previous prime (47863637) and next prime (47863649).

It is a cyclic number.

It is not a de Polignac number, because 47863643 - 2¹² = 47859547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47863643.

It is not a weakly prime, because it can be changed into another prime (47863649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23931821 + 23931822.

It is an arithmetic number, because the mean of its divisors is an integer number (23931822).

Almost surely, 2^47863643 is an apocalyptic number.

47863643 is a deficient number, since it is larger than the sum of its proper divisors (1).

47863643 is an equidigital number, since it uses as much as digits as its factorization.

47863643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 41.

The square root of 47863643 is about 6918.3555126923. The cubic root of 47863643 is about 363.0796573030.

The spelling of 47863643 in words is "forty-seven million, eight hundred sixty-three thousand, six hundred forty-three".