28027505552 has 10 divisors (see below), whose sum is σ = 54303292038. Its totient is φ = 14013752768.

The previous prime is 28027505543. The next prime is 28027505591. The reversal of 28027505552 is 25550572082.

It can be written as a sum of positive squares in only one way, i.e., 26492119696 + 1535385856 = 162764^2 + 39184^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 875859533 + ... + 875859564.

Almost surely, 2^28027505552 is an apocalyptic number.

It is an amenable number.

28027505552 is a deficient number, since it is larger than the sum of its proper divisors (26275786486).

28027505552 is a wasteful number, since it uses less digits than its factorization.

28027505552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751719105 (or 1751719099 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 41.

The spelling of 28027505552 in words is "twenty-eight billion, twenty-seven million, five hundred five thousand, five hundred fifty-two".