27907996345 has 8 divisors (see below), whose sum is σ = 33546651264. Its totient is φ = 22288359984.

The previous prime is 27907996343. The next prime is 27907996351. The reversal of 27907996345 is 54369970972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27907996345 - 2¹ = 27907996343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27907996343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4751409 + ... + 4757278.

It is an arithmetic number, because the mean of its divisors is an integer number (4193331408).

Almost surely, 2^27907996345 is an apocalyptic number.

It is an amenable number.

27907996345 is a deficient number, since it is larger than the sum of its proper divisors (5638654919).

27907996345 is an equidigital number, since it uses as much as digits as its factorization.

27907996345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9509279.

The product of its (nonzero) digits is 25719120, while the sum is 61.

The spelling of 27907996345 in words is "twenty-seven billion, nine hundred seven million, nine hundred ninety-six thousand, three hundred forty-five".