28914756667776 has 192 divisors, whose sum is σ = 100096510924800. Its totient is φ = 7826550635520.

The previous prime is 28914756667759. The next prime is 28914756667793. The reversal of 28914756667776 is 67776665741982.

It is an interprime number because it is at equal distance from previous prime (28914756667759) and next prime (28914756667793).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28914756667695 and 28914756667704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94206240 + ... + 94512671.

It is an arithmetic number, because the mean of its divisors is an integer number (521335994400).

Almost surely, 2^{28914756667776} is an apocalyptic number.

It is an amenable number.

28914756667776 is an abundant number, since it is smaller than the sum of its proper divisors (71181754257024).

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

28914756667776 is a wasteful number, since it uses less digits than its factorization.

28914756667776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188718957 (or 188718942 counting only the distinct ones).

The product of its digits is 8961684480, while the sum is 81.

The spelling of 28914756667776 in words is "twenty-eight trillion, nine hundred fourteen billion, seven hundred fifty-six million, six hundred sixty-seven thousand, seven hundred seventy-six".