28862288464688 has 40 divisors (see below), whose sum is σ = 64047985145760. Its totient is φ = 12342720176640.

The previous prime is 28862288464627. The next prime is 28862288464741. The reversal of 28862288464688 is 88646488226882.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279448373 + ... + 279551636.

It is an arithmetic number, because the mean of its divisors is an integer number (1601199628644).

Almost surely, 2^{28862288464688} is an apocalyptic number.

28862288464688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28862288464688 is an abundant number, since it is smaller than the sum of its proper divisors (35185696681072).

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

28862288464688 is a wasteful number, since it uses less digits than its factorization.

28862288464688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559000485 (or 559000479 counting only the distinct ones).

The product of its digits is 7247757312, while the sum is 80.

The spelling of 28862288464688 in words is "twenty-eight trillion, eight hundred sixty-two billion, two hundred eighty-eight million, four hundred sixty-four thousand, six hundred eighty-eight".