28060637772 has 48 divisors (see below), whose sum is σ = 66038364000. Its totient is φ = 9273277440.

The previous prime is 28060637641. The next prime is 28060637779. The reversal of 28060637772 is 27773606082.

It is not an unprimeable number, because it can be changed into a prime (28060637779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952804 + ... + 981812.

It is an arithmetic number, because the mean of its divisors is an integer number (1375799250).

Almost surely, 2^28060637772 is an apocalyptic number.

It is an amenable number.

28060637772 is an abundant number, since it is smaller than the sum of its proper divisors (37977726228).

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

28060637772 is a wasteful number, since it uses less digits than its factorization.

28060637772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29706 (or 29704 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 28060637772 in words is "twenty-eight billion, sixty million, six hundred thirty-seven thousand, seven hundred seventy-two".