28122552842 has 8 divisors (see below), whose sum is σ = 42898809600. Its totient is φ = 13822949644.

The previous prime is 28122552827. The next prime is 28122552863. The reversal of 28122552842 is 24825522182.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28122552842.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119163242 + ... + 119163477.

It is an arithmetic number, because the mean of its divisors is an integer number (5362351200).

Almost surely, 2^28122552842 is an apocalyptic number.

28122552842 is a deficient number, since it is larger than the sum of its proper divisors (14776256758).

28122552842 is a wasteful number, since it uses less digits than its factorization.

28122552842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238326780.

The product of its digits is 204800, while the sum is 41.

The spelling of 28122552842 in words is "twenty-eight billion, one hundred twenty-two million, five hundred fifty-two thousand, eight hundred forty-two".