825190680 has 64 divisors (see below), whose sum is σ = 2499644160. Its totient is φ = 217911168.

The previous prime is 825190673. The next prime is 825190739. The reversal of 825190680 is 86091528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21022 + ... + 45741.

It is an arithmetic number, because the mean of its divisors is an integer number (39056940).

Almost surely, 2^825190680 is an apocalyptic number.

It is an amenable number.

825190680 is an abundant number, since it is smaller than the sum of its proper divisors (1674453480).

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

825190680 is a wasteful number, since it uses less digits than its factorization.

825190680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66880 (or 66876 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 825190680 is about 28726.1323536601. The cubic root of 825190680 is about 937.9609793385.

The spelling of 825190680 in words is "eight hundred twenty-five million, one hundred ninety thousand, six hundred eighty".