828262618225 has 48 divisors (see below), whose sum is σ = 1212180986880. Its totient is φ = 549380505600.

The previous prime is 828262618223. The next prime is 828262618307. The reversal of 828262618225 is 522816262828.

It is a happy number.

It is not a de Polignac number, because 828262618225 - 2¹ = 828262618223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (828262618223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12297441 + ... + 12364609.

It is an arithmetic number, because the mean of its divisors is an integer number (25253770560).

Almost surely, 2^828262618225 is an apocalyptic number.

It is an amenable number.

828262618225 is a deficient number, since it is larger than the sum of its proper divisors (383918368655).

828262618225 is a wasteful number, since it uses less digits than its factorization.

828262618225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69490 (or 69485 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 52.

The spelling of 828262618225 in words is "eight hundred twenty-eight billion, two hundred sixty-two million, six hundred eighteen thousand, two hundred twenty-five".