28646064082 has 8 divisors (see below), whose sum is σ = 42985523196. Its totient is φ = 14317556352.

The previous prime is 28646064079. The next prime is 28646064089. The reversal of 28646064082 is 28046064682.

It can be written as a sum of positive squares in 2 ways, for example, as 26334473841 + 2311590241 = 162279^2 + 48079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28646064089) 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, 2731303 + ... + 2741770.

Almost surely, 2^28646064082 is an apocalyptic number.

28646064082 is a deficient number, since it is larger than the sum of its proper divisors (14339459114).

28646064082 is a wasteful number, since it uses less digits than its factorization.

28646064082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475692.

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 28646064082 in words is "twenty-eight billion, six hundred forty-six million, sixty-four thousand, eighty-two".