28027527504878 has 72 divisors (see below), whose sum is σ = 48403339450704. Its totient is φ = 12161627177920.

The previous prime is 28027527504833. The next prime is 28027527504917. The reversal of 28027527504878 is 87840572572082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 64175426 + ... + 64610682.

It is an arithmetic number, because the mean of its divisors is an integer number (672268603482).

Almost surely, 2^{28027527504878} is an apocalyptic number.

28027527504878 is a deficient number, since it is larger than the sum of its proper divisors (20375811945826).

28027527504878 is a wasteful number, since it uses less digits than its factorization.

28027527504878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435830 (or 435796 counting only the distinct ones).

The product of its (nonzero) digits is 140492800, while the sum is 65.

The spelling of 28027527504878 in words is "twenty-eight trillion, twenty-seven billion, five hundred twenty-seven million, five hundred four thousand, eight hundred seventy-eight".