28080025122 has 16 divisors (see below), whose sum is σ = 57971665152. Its totient is φ = 9058072560.

The previous prime is 28080025097. The next prime is 28080025123. The reversal of 28080025122 is 22152008082.

It is a super-2 number, since 2×28080025122² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28080025122.

It is not an unprimeable number, because it can be changed into a prime (28080025123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75483753 + ... + 75484124.

It is an arithmetic number, because the mean of its divisors is an integer number (3623229072).

Almost surely, 2^28080025122 is an apocalyptic number.

28080025122 is an abundant number, since it is smaller than the sum of its proper divisors (29891640030).

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

28080025122 is a wasteful number, since it uses less digits than its factorization.

28080025122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150967913.

The product of its (nonzero) digits is 5120, while the sum is 30.

The spelling of 28080025122 in words is "twenty-eight billion, eighty million, twenty-five thousand, one hundred twenty-two".