27805823260 has 48 divisors (see below), whose sum is σ = 59628935520. Its totient is φ = 10888335360.

The previous prime is 27805823257. The next prime is 27805823263. The reversal of 27805823260 is 6232850872.

It is an interprime number because it is at equal distance from previous prime (27805823257) and next prime (27805823263).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27805823263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235492 + ... + 333268.

It is an arithmetic number, because the mean of its divisors is an integer number (1242269490).

Almost surely, 2^27805823260 is an apocalyptic number.

27805823260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27805823260 is an abundant number, since it is smaller than the sum of its proper divisors (31823112260).

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

27805823260 is a wasteful number, since it uses less digits than its factorization.

27805823260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98086 (or 98084 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 27805823260 in words is "twenty-seven billion, eight hundred five million, eight hundred twenty-three thousand, two hundred sixty".