27231777023881 has 4 divisors (see below), whose sum is σ = 27236518763392. Its totient is φ = 27227035284372.

The previous prime is 27231777023861. The next prime is 27231777023887. The reversal of 27231777023881 is 18832077713272.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27231777023881 - 2⁷ = 27231777023753 is a prime.

It is a super-2 number, since 2×27231777023881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27231777023887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2370861141 + ... + 2370872626.

It is an arithmetic number, because the mean of its divisors is an integer number (6809129690848).

Almost surely, 2^{27231777023881} is an apocalyptic number.

It is an amenable number.

27231777023881 is a deficient number, since it is larger than the sum of its proper divisors (4741739511).

27231777023881 is an equidigital number, since it uses as much as digits as its factorization.

27231777023881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741739510.

The product of its (nonzero) digits is 11063808, while the sum is 58.

The spelling of 27231777023881 in words is "twenty-seven trillion, two hundred thirty-one billion, seven hundred seventy-seven million, twenty-three thousand, eight hundred eighty-one".