825888897 has 6 divisors (see below), whose sum is σ = 1192950642. Its totient is φ = 550592592.

The previous prime is 825888893. The next prime is 825888901. The reversal of 825888897 is 798888528.

It is an interprime number because it is at equal distance from previous prime (825888893) and next prime (825888901).

It can be written as a sum of positive squares in only one way, i.e., 455865201 + 370023696 = 21351^2 + 19236^2 .

It is not a de Polignac number, because 825888897 - 2² = 825888893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (825888893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45882708 + ... + 45882725.

It is an arithmetic number, because the mean of its divisors is an integer number (198825107).

Almost surely, 2^825888897 is an apocalyptic number.

It is an amenable number.

825888897 is a deficient number, since it is larger than the sum of its proper divisors (367061745).

825888897 is a wasteful number, since it uses less digits than its factorization.

825888897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91765439 (or 91765436 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 63.

The square root of 825888897 is about 28738.2827775078. The cubic root of 825888897 is about 938.2254497993.

The spelling of 825888897 in words is "eight hundred twenty-five million, eight hundred eighty-eight thousand, eight hundred ninety-seven".