27954728570828 has 24 divisors (see below), whose sum is σ = 51931625709600. Its totient is φ = 13121348465408.

The previous prime is 27954728570677. The next prime is 27954728570921. The reversal of 27954728570828 is 82807582745972.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528378368 + ... + 528431271.

It is an arithmetic number, because the mean of its divisors is an integer number (2163817737900).

Almost surely, 2^{27954728570828} is an apocalyptic number.

It is an amenable number.

27954728570828 is a deficient number, since it is larger than the sum of its proper divisors (23976897138772).

27954728570828 is a wasteful number, since it uses less digits than its factorization.

27954728570828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056810049 (or 1056810047 counting only the distinct ones).

The product of its (nonzero) digits is 1264435200, while the sum is 74.

The spelling of 27954728570828 in words is "twenty-seven trillion, nine hundred fifty-four billion, seven hundred twenty-eight million, five hundred seventy thousand, eight hundred twenty-eight".