647027082 has 64 divisors (see below), whose sum is σ = 1551984000. Its totient is φ = 198630144.

The previous prime is 647027011. The next prime is 647027131. The reversal of 647027082 is 280720746.

647027082 is a `hidden beast` number, since 647 + 0 + 2 + 7 + 0 + 8 + 2 = 666.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 433794 + ... + 435282.

It is an arithmetic number, because the mean of its divisors is an integer number (24249750).

Almost surely, 2^647027082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 647027082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775992000).

647027082 is an abundant number, since it is smaller than the sum of its proper divisors (904956918).

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

647027082 is a wasteful number, since it uses less digits than its factorization.

647027082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132 (or 2126 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 647027082 is about 25436.7270300249. The cubic root of 647027082 is about 864.9164417487.

The spelling of 647027082 in words is "six hundred forty-seven million, twenty-seven thousand, eighty-two".