27680422888 has 8 divisors (see below), whose sum is σ = 51900792930. Its totient is φ = 13840211440.

The previous prime is 27680422879. The next prime is 27680422901. The reversal of 27680422888 is 88822408672.

It can be written as a sum of positive squares in only one way, i.e., 25984795204 + 1695627684 = 161198^2 + 41178^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-4 number, since 4×27680422888⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730026423 + ... + 1730026438.

Almost surely, 2^27680422888 is an apocalyptic number.

It is an amenable number.

27680422888 is a deficient number, since it is larger than the sum of its proper divisors (24220370042).

27680422888 is a wasteful number, since it uses less digits than its factorization.

27680422888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460052867 (or 3460052863 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 55.

The spelling of 27680422888 in words is "twenty-seven billion, six hundred eighty million, four hundred twenty-two thousand, eight hundred eighty-eight".