827690812 has 24 divisors (see below), whose sum is σ = 1569829856. Its totient is φ = 379574208.

The previous prime is 827690797. The next prime is 827690813. The reversal of 827690812 is 218096728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827690813) 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, 42528 + ... + 58855.

Almost surely, 2^827690812 is an apocalyptic number.

It is an amenable number.

827690812 is a deficient number, since it is larger than the sum of its proper divisors (742139044).

827690812 is a wasteful number, since it uses less digits than its factorization.

827690812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101557 (or 101555 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 827690812 is about 28769.6161253500. The cubic root of 827690812 is about 938.9072906995.

The spelling of 827690812 in words is "eight hundred twenty-seven million, six hundred ninety thousand, eight hundred twelve".