825429880 has 32 divisors (see below), whose sum is σ = 2026056240. Its totient is φ = 300156160.

The previous prime is 825429833. The next prime is 825429887. The reversal of 825429880 is 88924528.

825429880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 825429880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825429887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937549 + ... + 938428.

Almost surely, 2^825429880 is an apocalyptic number.

It is an amenable number.

825429880 is an abundant number, since it is smaller than the sum of its proper divisors (1200626360).

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

825429880 is a wasteful number, since it uses less digits than its factorization.

825429880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875999 (or 1875995 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 825429880 is about 28730.2955084002. The cubic root of 825429880 is about 938.0516002486.

The spelling of 825429880 in words is "eight hundred twenty-five million, four hundred twenty-nine thousand, eight hundred eighty".