828028277825 has 24 divisors (see below), whose sum is σ = 1235194067520. Its totient is φ = 537907089600.

The previous prime is 828028277807. The next prime is 828028277831. The reversal of 828028277825 is 528772820828.

It is not a de Polignac number, because 828028277825 - 2²² = 828024083521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124512206 + ... + 124518855.

It is an arithmetic number, because the mean of its divisors is an integer number (51466419480).

Almost surely, 2^828028277825 is an apocalyptic number.

It is an amenable number.

828028277825 is a deficient number, since it is larger than the sum of its proper divisors (407165789695).

828028277825 is a wasteful number, since it uses less digits than its factorization.

828028277825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249031097 (or 249031092 counting only the distinct ones).

The product of its (nonzero) digits is 16056320, while the sum is 59.

The spelling of 828028277825 in words is "eight hundred twenty-eight billion, twenty-eight million, two hundred seventy-seven thousand, eight hundred twenty-five".