27122700231 has 40 divisors (see below), whose sum is σ = 44393302800. Its totient is φ = 16366095360.

The previous prime is 27122700221. The next prime is 27122700257. The reversal of 27122700231 is 13200722172.

It is not a de Polignac number, because 27122700231 - 2¹⁰ = 27122699207 is a prime.

It is a super-2 number, since 2×27122700231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 27122700195 and 27122700204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27122700211) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 137575 + ... + 270503.

It is an arithmetic number, because the mean of its divisors is an integer number (1109832570).

Almost surely, 2^27122700231 is an apocalyptic number.

27122700231 is a deficient number, since it is larger than the sum of its proper divisors (17270602569).

27122700231 is a wasteful number, since it uses less digits than its factorization.

27122700231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133181 (or 133172 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The spelling of 27122700231 in words is "twenty-seven billion, one hundred twenty-two million, seven hundred thousand, two hundred thirty-one".