825027578250 has 64 divisors (see below), whose sum is σ = 2069722347264. Its totient is φ = 218890526400.

The previous prime is 825027578209. The next prime is 825027578321. The reversal of 825027578250 is 52875720528.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 825027578193 and 825027578202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2644222 + ... + 2939721.

It is an arithmetic number, because the mean of its divisors is an integer number (32339411676).

Almost surely, 2^825027578250 is an apocalyptic number.

825027578250 is an abundant number, since it is smaller than the sum of its proper divisors (1244694769014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825027578250 is a wasteful number, since it uses less digits than its factorization.

825027578250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584160 (or 5584150 counting only the distinct ones).

The product of its (nonzero) digits is 3136000, while the sum is 51.

The spelling of 825027578250 in words is "eight hundred twenty-five billion, twenty-seven million, five hundred seventy-eight thousand, two hundred fifty".