27272880860 has 24 divisors (see below), whose sum is σ = 57998028480. Its totient is φ = 10771061184.

The previous prime is 27272880857. The next prime is 27272880871. The reversal of 27272880860 is 6808827272.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27272880799 and 27272880808.

It is a congruent number.

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, 8629079 + ... + 8632238.

It is an arithmetic number, because the mean of its divisors is an integer number (2416584520).

Almost surely, 2^27272880860 is an apocalyptic number.

27272880860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27272880860 is an abundant number, since it is smaller than the sum of its proper divisors (30725147620).

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

27272880860 is a wasteful number, since it uses less digits than its factorization.

27272880860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17261405 (or 17261403 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 50.

The spelling of 27272880860 in words is "twenty-seven billion, two hundred seventy-two million, eight hundred eighty thousand, eight hundred sixty".