28632214857288 has 64 divisors (see below), whose sum is σ = 81939780869760. Its totient is φ = 8167287545856.

The previous prime is 28632214857287. The next prime is 28632214857353. The reversal of 28632214857288 is 88275841223682.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28632214857287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138909945 + ... + 139115912.

It is an arithmetic number, because the mean of its divisors is an integer number (1280309076090).

Almost surely, 2^{28632214857288} is an apocalyptic number.

28632214857288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28632214857288 is an abundant number, since it is smaller than the sum of its proper divisors (53307566012472).

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

28632214857288 is a wasteful number, since it uses less digits than its factorization.

28632214857288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278026486 (or 278026482 counting only the distinct ones).

The product of its digits is 165150720, while the sum is 66.

The spelling of 28632214857288 in words is "twenty-eight trillion, six hundred thirty-two billion, two hundred fourteen million, eight hundred fifty-seven thousand, two hundred eighty-eight".