827313720 has 64 divisors (see below), whose sum is σ = 2522651040. Its totient is φ = 216998400.

The previous prime is 827313719. The next prime is 827313727. The reversal of 827313720 is 27313728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827313727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49191 + ... + 63830.

Almost surely, 2^827313720 is an apocalyptic number.

It is an amenable number.

827313720 is an abundant number, since it is smaller than the sum of its proper divisors (1695337320).

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

827313720 is a wasteful number, since it uses less digits than its factorization.

827313720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113096 (or 113092 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 827313720 is about 28763.0617285434. The cubic root of 827313720 is about 938.7646818070.

The spelling of 827313720 in words is "eight hundred twenty-seven million, three hundred thirteen thousand, seven hundred twenty".