27312097995 has 216 divisors, whose sum is σ = 61631270064. Its totient is φ = 11516287104.

The previous prime is 27312097991. The next prime is 27312098041. The reversal of 27312097995 is 59979021372.

It is not a de Polignac number, because 27312097995 - 2² = 27312097991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27312097991) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 20896132 + ... + 20897438.

It is an arithmetic number, because the mean of its divisors is an integer number (285329954).

Almost surely, 2^27312097995 is an apocalyptic number.

27312097995 is an abundant number, since it is smaller than the sum of its proper divisors (34319172069).

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

27312097995 is an equidigital number, since it uses as much as digits as its factorization.

27312097995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The spelling of 27312097995 in words is "twenty-seven billion, three hundred twelve million, ninety-seven thousand, nine hundred ninety-five".