27800675694 has 48 divisors (see below), whose sum is σ = 65724721920. Its totient is φ = 8422648080.

The previous prime is 27800675627. The next prime is 27800675761. The reversal of 27800675694 is 49657600872.

27800675694 is a `hidden beast` number, since 2 + 78 + 0 + 0 + 6 + 7 + 569 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (27800675627) and next prime (27800675761).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27800675694.

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, 1137697 + ... + 1161875.

It is an arithmetic number, because the mean of its divisors is an integer number (1369265040).

Almost surely, 2^27800675694 is an apocalyptic number.

27800675694 is an abundant number, since it is smaller than the sum of its proper divisors (37924046226).

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

27800675694 is a wasteful number, since it uses less digits than its factorization.

27800675694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30005 (or 30002 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 27800675694 in words is "twenty-seven billion, eight hundred million, six hundred seventy-five thousand, six hundred ninety-four".