27664846672 has 10 divisors (see below), whose sum is σ = 53600640458. Its totient is φ = 13832423328.

The previous prime is 27664846631. The next prime is 27664846687.

27664846672 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 23281877056 + 4382969616 = 152584^2 + 66204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 864526443 + ... + 864526474.

Almost surely, 2^27664846672 is an apocalyptic number.

It is an amenable number.

27664846672 is a deficient number, since it is larger than the sum of its proper divisors (25935793786).

27664846672 is a wasteful number, since it uses less digits than its factorization.

27664846672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729052925 (or 1729052919 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 58.

The spelling of 27664846672 in words is "twenty-seven billion, six hundred sixty-four million, eight hundred forty-six thousand, six hundred seventy-two".