27275869851 has 8 divisors (see below), whose sum is σ = 36880049664. Its totient is φ = 17927801640.

The previous prime is 27275869849. The next prime is 27275869877. The reversal of 27275869851 is 15896857272.

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

It is not a de Polignac number, because 27275869851 - 2¹ = 27275869849 is a prime.

It is a super-2 number, since 2×27275869851² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27275869801) 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, 64027651 + ... + 64028076.

It is an arithmetic number, because the mean of its divisors is an integer number (4610006208).

Almost surely, 2^27275869851 is an apocalyptic number.

27275869851 is a deficient number, since it is larger than the sum of its proper divisors (9604179813).

27275869851 is a wasteful number, since it uses less digits than its factorization.

27275869851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128055801.

The product of its digits is 16934400, while the sum is 60.

The spelling of 27275869851 in words is "twenty-seven billion, two hundred seventy-five million, eight hundred sixty-nine thousand, eight hundred fifty-one".