827425720 has 32 divisors (see below), whose sum is σ = 2030955120. Its totient is φ = 300881920.

The previous prime is 827425691. The next prime is 827425721. The reversal of 827425720 is 27524728.

It is a self number, because there is not a number n which added to its sum of digits gives 827425720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827425721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939817 + ... + 940696.

Almost surely, 2^827425720 is an apocalyptic number.

It is an amenable number.

827425720 is an abundant number, since it is smaller than the sum of its proper divisors (1203529400).

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

827425720 is a wasteful number, since it uses less digits than its factorization.

827425720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880535 (or 1880531 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 827425720 is about 28765.0086042052. The cubic root of 827425720 is about 938.8070425615.

The spelling of 827425720 in words is "eight hundred twenty-seven million, four hundred twenty-five thousand, seven hundred twenty".