27696093966 has 160 divisors (see below), whose sum is σ = 68083234560. Its totient is φ = 8377344000.

The previous prime is 27696093961. The next prime is 27696094009. The reversal of 27696093966 is 66939069672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27696093961) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 34234570 + ... + 34235378.

It is an arithmetic number, because the mean of its divisors is an integer number (425520216).

Almost surely, 2^27696093966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27696093966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34041617280).

27696093966 is an abundant number, since it is smaller than the sum of its proper divisors (40387140594).

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

27696093966 is a wasteful number, since it uses less digits than its factorization.

27696093966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 39680928, while the sum is 63.

The spelling of 27696093966 in words is "twenty-seven billion, six hundred ninety-six million, ninety-three thousand, nine hundred sixty-six".