825768287 has 8 divisors (see below), whose sum is σ = 864236256. Its totient is φ = 787514112.

The previous prime is 825768283. The next prime is 825768289. The reversal of 825768287 is 782867528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 825768287 - 2² = 825768283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825768283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45518 + ... + 61019.

It is an arithmetic number, because the mean of its divisors is an integer number (108029532).

Almost surely, 2^825768287 is an apocalyptic number.

825768287 is a deficient number, since it is larger than the sum of its proper divisors (38467969).

825768287 is a wasteful number, since it uses less digits than its factorization.

825768287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106897.

The product of its digits is 3010560, while the sum is 53.

The square root of 825768287 is about 28736.1842804503. The cubic root of 825768287 is about 938.1797758268.

The spelling of 825768287 in words is "eight hundred twenty-five million, seven hundred sixty-eight thousand, two hundred eighty-seven".