27726871151 has 32 divisors (see below), whose sum is σ = 33981742080. Its totient is φ = 22107343104.

The previous prime is 27726871129. The next prime is 27726871181. The reversal of 27726871151 is 15117862772.

It is a de Polignac number, because none of the positive numbers 2^k-27726871151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27726871096 and 27726871105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27726871121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1604465 + ... + 1621653.

It is an arithmetic number, because the mean of its divisors is an integer number (1061929440).

Almost surely, 2^27726871151 is an apocalyptic number.

27726871151 is a deficient number, since it is larger than the sum of its proper divisors (6254870929).

27726871151 is a wasteful number, since it uses less digits than its factorization.

27726871151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17495.

The product of its digits is 329280, while the sum is 47.

The spelling of 27726871151 in words is "twenty-seven billion, seven hundred twenty-six million, eight hundred seventy-one thousand, one hundred fifty-one".