28060656252 has 24 divisors (see below), whose sum is σ = 66149865936. Its totient is φ = 9257123328.

The previous prime is 28060656251. The next prime is 28060656271. The reversal of 28060656252 is 25265606082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28060656251) 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, 12052383 + ... + 12054710.

It is an arithmetic number, because the mean of its divisors is an integer number (2756244414).

Almost surely, 2^28060656252 is an apocalyptic number.

It is an amenable number.

28060656252 is an abundant number, since it is smaller than the sum of its proper divisors (38089209684).

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

28060656252 is a wasteful number, since it uses less digits than its factorization.

28060656252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24107197 (or 24107195 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 28060656252 in words is "twenty-eight billion, sixty million, six hundred fifty-six thousand, two hundred fifty-two".