27780583492 has 6 divisors (see below), whose sum is σ = 48616021118. Its totient is φ = 13890291744.

The previous prime is 27780583459. The next prime is 27780583529. The reversal of 27780583492 is 29438508772.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25502812416 + 2277771076 = 159696^2 + 47726^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3472572933 + ... + 3472572940.

Almost surely, 2^27780583492 is an apocalyptic number.

It is an amenable number.

27780583492 is a deficient number, since it is larger than the sum of its proper divisors (20835437626).

27780583492 is a wasteful number, since it uses less digits than its factorization.

27780583492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6945145877 (or 6945145875 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 27780583492 in words is "twenty-seven billion, seven hundred eighty million, five hundred eighty-three thousand, four hundred ninety-two".