27279768834 has 12 divisors (see below), whose sum is σ = 59106165846. Its totient is φ = 9093256272.

The previous prime is 27279768829. The next prime is 27279768883. The reversal of 27279768834 is 43886797272.

It can be written as a sum of positive squares in only one way, i.e., 25567050609 + 1712718225 = 159897^2 + 41385^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 757771339 + ... + 757771374.

Almost surely, 2^27279768834 is an apocalyptic number.

27279768834 is an abundant number, since it is smaller than the sum of its proper divisors (31826397012).

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

27279768834 is a wasteful number, since it uses less digits than its factorization.

27279768834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515542721 (or 1515542718 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 63.

The spelling of 27279768834 in words is "twenty-seven billion, two hundred seventy-nine million, seven hundred sixty-eight thousand, eight hundred thirty-four".