825750780 has 24 divisors (see below), whose sum is σ = 2312102352. Its totient is φ = 220200192.

The previous prime is 825750743. The next prime is 825750791. The reversal of 825750780 is 87057528.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6881197 + ... + 6881316.

It is an arithmetic number, because the mean of its divisors is an integer number (96337598).

Almost surely, 2^825750780 is an apocalyptic number.

It is an amenable number.

825750780 is an abundant number, since it is smaller than the sum of its proper divisors (1486351572).

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

825750780 is a wasteful number, since it uses less digits than its factorization.

825750780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13762525 (or 13762523 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 825750780 is about 28735.8796628883. The cubic root of 825750780 is about 938.1731457064.

The spelling of 825750780 in words is "eight hundred twenty-five million, seven hundred fifty thousand, seven hundred eighty".