27943245275 has 24 divisors (see below), whose sum is σ = 38152897344. Its totient is φ = 20132410400.

The previous prime is 27943245269. The next prime is 27943245283. The reversal of 27943245275 is 57254234972.

It is not a de Polignac number, because 27943245275 - 2²⁶ = 27876136411 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian 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, 445397 + ... + 504246.

It is an arithmetic number, because the mean of its divisors is an integer number (1589704056).

Almost surely, 2^27943245275 is an apocalyptic number.

27943245275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27943245275 is a deficient number, since it is larger than the sum of its proper divisors (10209652069).

27943245275 is a wasteful number, since it uses less digits than its factorization.

27943245275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949771 (or 949766 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 50.

The spelling of 27943245275 in words is "twenty-seven billion, nine hundred forty-three million, two hundred forty-five thousand, two hundred seventy-five".