27867766776872 has 16 divisors (see below), whose sum is σ = 57002250225600. Its totient is φ = 12667166716720.

The previous prime is 27867766776677. The next prime is 27867766776877.

27867766776872 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×27867766776872² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27867766776877) 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, 158339583872 + ... + 158339584047.

It is an arithmetic number, because the mean of its divisors is an integer number (3562640639100).

Almost surely, 2^{27867766776872} is an apocalyptic number.

27867766776872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27867766776872 is an abundant number, since it is smaller than the sum of its proper divisors (29134483448728).

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

27867766776872 is a wasteful number, since it uses less digits than its factorization.

27867766776872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316679167936 (or 316679167932 counting only the distinct ones).

The product of its digits is 39033114624, while the sum is 86.

The spelling of 27867766776872 in words is "twenty-seven trillion, eight hundred sixty-seven billion, seven hundred sixty-six million, seven hundred seventy-six thousand, eight hundred seventy-two".