828748125 has 80 divisors (see below), whose sum is σ = 1559250880. Its totient is φ = 434808000.

The previous prime is 828748093. The next prime is 828748169. The reversal of 828748125 is 521847828.

It is a happy number.

It is not a de Polignac number, because 828748125 - 2⁵ = 828748093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1130259 + ... + 1130991.

It is an arithmetic number, because the mean of its divisors is an integer number (19490636).

Almost surely, 2^828748125 is an apocalyptic number.

It is an amenable number.

828748125 is a deficient number, since it is larger than the sum of its proper divisors (730502755).

828748125 is an equidigital number, since it uses as much as digits as its factorization.

828748125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 808 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 828748125 is about 28787.9857753195. The cubic root of 828748125 is about 939.3069151574.

The spelling of 828748125 in words is "eight hundred twenty-eight million, seven hundred forty-eight thousand, one hundred twenty-five".