28162962672 has 40 divisors (see below), whose sum is σ = 78350808144. Its totient is φ = 8665526784.

The previous prime is 28162962613. The next prime is 28162962679. The reversal of 28162962672 is 27626926182.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28162962679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22565853 + ... + 22567100.

Almost surely, 2^28162962672 is an apocalyptic number.

It is an amenable number.

28162962672 is an abundant number, since it is smaller than the sum of its proper divisors (50187845472).

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

28162962672 is a wasteful number, since it uses less digits than its factorization.

28162962672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45132977 (or 45132971 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The spelling of 28162962672 in words is "twenty-eight billion, one hundred sixty-two million, nine hundred sixty-two thousand, six hundred seventy-two".