28631854206 has 24 divisors (see below), whose sum is σ = 65684842704. Its totient is φ = 8982542400.

The previous prime is 28631854177. The next prime is 28631854211. The reversal of 28631854206 is 60245813682.

28631854206 is a `hidden beast` number, since 2 + 8 + 631 + 8 + 5 + 4 + 2 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46783770 + ... + 46784381.

It is an arithmetic number, because the mean of its divisors is an integer number (2736868446).

Almost surely, 2^28631854206 is an apocalyptic number.

28631854206 is an abundant number, since it is smaller than the sum of its proper divisors (37052988498).

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

28631854206 is a wasteful number, since it uses less digits than its factorization.

28631854206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93568176 (or 93568173 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 28631854206 in words is "twenty-eight billion, six hundred thirty-one million, eight hundred fifty-four thousand, two hundred six".