27308823285 has 16 divisors (see below), whose sum is σ = 44875040256. Its totient is φ = 14171064768.

The previous prime is 27308823277. The next prime is 27308823287. The reversal of 27308823285 is 58232880372.

It is not a de Polignac number, because 27308823285 - 2³ = 27308823277 is a prime.

It is a super-2 number, since 2×27308823285² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27308823287) 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, 24601989 + ... + 24603098.

It is an arithmetic number, because the mean of its divisors is an integer number (2804690016).

Almost surely, 2^27308823285 is an apocalyptic number.

It is an amenable number.

27308823285 is a deficient number, since it is larger than the sum of its proper divisors (17566216971).

27308823285 is a wasteful number, since it uses less digits than its factorization.

27308823285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49205132.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 27308823285 in words is "twenty-seven billion, three hundred eight million, eight hundred twenty-three thousand, two hundred eighty-five".