27825778052 has 12 divisors (see below), whose sum is σ = 50374253580. Its totient is φ = 13433134176.

The previous prime is 27825778039. The next prime is 27825778067. The reversal of 27825778052 is 25087752872.

It can be written as a sum of positive squares in 2 ways, for example, as 5123123776 + 22702654276 = 71576^2 + 150674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27825777985 and 27825778003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119938583 + ... + 119938814.

It is an arithmetic number, because the mean of its divisors is an integer number (4197854465).

Almost surely, 2^27825778052 is an apocalyptic number.

It is an amenable number.

27825778052 is a deficient number, since it is larger than the sum of its proper divisors (22548475528).

27825778052 is a wasteful number, since it uses less digits than its factorization.

27825778052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239877430 (or 239877428 counting only the distinct ones).

The product of its (nonzero) digits is 4390400, while the sum is 53.

The spelling of 27825778052 in words is "twenty-seven billion, eight hundred twenty-five million, seven hundred seventy-eight thousand, fifty-two".