827534780 has 12 divisors (see below), whose sum is σ = 1737823080. Its totient is φ = 331013904.

The previous prime is 827534737. The next prime is 827534783. The reversal of 827534780 is 87435728.

It is a happy number.

827534780 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827534783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20688350 + ... + 20688389.

It is an arithmetic number, because the mean of its divisors is an integer number (144818590).

Almost surely, 2^827534780 is an apocalyptic number.

It is an amenable number.

827534780 is an abundant number, since it is smaller than the sum of its proper divisors (910288300).

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

827534780 is a wasteful number, since it uses less digits than its factorization.

827534780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41376748 (or 41376746 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 827534780 is about 28766.9042477636. The cubic root of 827534780 is about 938.8482876729.

The spelling of 827534780 in words is "eight hundred twenty-seven million, five hundred thirty-four thousand, seven hundred eighty".