27774404016 has 40 divisors (see below), whose sum is σ = 73689752304. Its totient is φ = 9007914240.

The previous prime is 27774403991. The next prime is 27774404023. The reversal of 27774404016 is 61040447772.

It is a happy number.

It is a super-4 number, since 4×27774404016⁴ (a number of 43 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7817595 + ... + 7821146.

Almost surely, 2^27774404016 is an apocalyptic number.

It is an amenable number.

27774404016 is an abundant number, since it is smaller than the sum of its proper divisors (45915348288).

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

27774404016 is a wasteful number, since it uses less digits than its factorization.

27774404016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15638789 (or 15638783 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 42.

The spelling of 27774404016 in words is "twenty-seven billion, seven hundred seventy-four million, four hundred four thousand, sixteen".