28877546672 has 40 divisors (see below), whose sum is σ = 63798479136. Its totient is φ = 12544091136.

The previous prime is 28877546671. The next prime is 28877546741. The reversal of 28877546672 is 27664577882.

It is not an unprimeable number, because it can be changed into a prime (28877546671) 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, 4079828 + ... + 4086899.

Almost surely, 2^28877546672 is an apocalyptic number.

It is an amenable number.

28877546672 is an abundant number, since it is smaller than the sum of its proper divisors (34920932464).

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

28877546672 is a wasteful number, since it uses less digits than its factorization.

28877546672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8166765 (or 8166759 counting only the distinct ones).

The product of its digits is 63221760, while the sum is 62.

The spelling of 28877546672 in words is "twenty-eight billion, eight hundred seventy-seven million, five hundred forty-six thousand, six hundred seventy-two".