27272977321 has 16 divisors (see below), whose sum is σ = 29258109760. Its totient is φ = 25346027520.

The previous prime is 27272977307. The next prime is 27272977337. The reversal of 27272977321 is 12377927272.

It is a cyclic number.

It is not a de Polignac number, because 27272977321 - 2⁵ = 27272977289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27272977621) 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, 262345 + ... + 351241.

It is an arithmetic number, because the mean of its divisors is an integer number (1828631860).

Almost surely, 2^27272977321 is an apocalyptic number.

It is an amenable number.

27272977321 is a deficient number, since it is larger than the sum of its proper divisors (1985132439).

27272977321 is a wasteful number, since it uses less digits than its factorization.

27272977321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89224.

The product of its digits is 1037232, while the sum is 49.

The spelling of 27272977321 in words is "twenty-seven billion, two hundred seventy-two million, nine hundred seventy-seven thousand, three hundred twenty-one".