28122385236848 has 40 divisors (see below), whose sum is σ = 62287959744000. Its totient is φ = 12049167487680.

The previous prime is 28122385236833. The next prime is 28122385236923. The reversal of 28122385236848 is 84863258322182.

It is a happy number.

It is a super-3 number, since 3×28122385236848³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33788348 + ... + 34610651.

It is an arithmetic number, because the mean of its divisors is an integer number (1557198993600).

Almost surely, 2^{28122385236848} is an apocalyptic number.

28122385236848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28122385236848 is an abundant number, since it is smaller than the sum of its proper divisors (34165574507152).

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

28122385236848 is a wasteful number, since it uses less digits than its factorization.

28122385236848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68402685 (or 68402679 counting only the distinct ones).

The product of its digits is 70778880, while the sum is 62.

The spelling of 28122385236848 in words is "twenty-eight trillion, one hundred twenty-two billion, three hundred eighty-five million, two hundred thirty-six thousand, eight hundred forty-eight".