27772686116 has 24 divisors (see below), whose sum is σ = 57960389760. Its totient is φ = 11385076032.

The previous prime is 27772686107. The next prime is 27772686119. The reversal of 27772686116 is 61168627772.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27772686119) 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, 21562001 + ... + 21563288.

It is an arithmetic number, because the mean of its divisors is an integer number (2415016240).

Almost surely, 2^27772686116 is an apocalyptic number.

It is an amenable number.

27772686116 is an abundant number, since it is smaller than the sum of its proper divisors (30187703644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27772686116 is a wasteful number, since it uses less digits than its factorization.

27772686116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43125323 (or 43125321 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 53.

The spelling of 27772686116 in words is "twenty-seven billion, seven hundred seventy-two million, six hundred eighty-six thousand, one hundred sixteen".