827087247 has 64 divisors (see below), whose sum is σ = 1514557440. Its totient is φ = 435276288.

The previous prime is 827087237. The next prime is 827087257. The reversal of 827087247 is 742780728.

827087247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (827087237) and next prime (827087257).

It is not a de Polignac number, because 827087247 - 2⁴ = 827087231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827087237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 148273 + ... + 153749.

It is an arithmetic number, because the mean of its divisors is an integer number (23664960).

Almost surely, 2^827087247 is an apocalyptic number.

827087247 is a deficient number, since it is larger than the sum of its proper divisors (687470193).

827087247 is a wasteful number, since it uses less digits than its factorization.

827087247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557 (or 5551 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 827087247 is about 28759.1245868159. The cubic root of 827087247 is about 938.6790132746.

The spelling of 827087247 in words is "eight hundred twenty-seven million, eighty-seven thousand, two hundred forty-seven".