887387047 has 2 divisors, whose sum is σ = 887387048. Its totient is φ = 887387046.

The previous prime is 887387009. The next prime is 887387089. The reversal of 887387047 is 740783788.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-887387047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 887386985 and 887387003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (887387147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443693523 + 443693524.

It is an arithmetic number, because the mean of its divisors is an integer number (443693524).

Almost surely, 2^887387047 is an apocalyptic number.

887387047 is a deficient number, since it is larger than the sum of its proper divisors (1).

887387047 is an equidigital number, since it uses as much as digits as its factorization.

887387047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2107392, while the sum is 52.

The square root of 887387047 is about 29789.0423981705. The cubic root of 887387047 is about 960.9579005748.

The spelling of 887387047 in words is "eight hundred eighty-seven million, three hundred eighty-seven thousand, forty-seven".