27809192248 has 16 divisors (see below), whose sum is σ = 52443638280. Its totient is φ = 13824222048.

The previous prime is 27809192239. The next prime is 27809192261. The reversal of 27809192248 is 84229190872.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27809192195 and 27809192204.

It is a congruent number.

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, 10045290 + ... + 10048057.

Almost surely, 2^27809192248 is an apocalyptic number.

It is an amenable number.

27809192248 is a deficient number, since it is larger than the sum of its proper divisors (24634446032).

27809192248 is a wasteful number, since it uses less digits than its factorization.

27809192248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20093526 (or 20093522 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 27809192248 in words is "twenty-seven billion, eight hundred nine million, one hundred ninety-two thousand, two hundred forty-eight".