27800976466 has 4 divisors (see below), whose sum is σ = 41701464702. Its totient is φ = 13900488232.

The previous prime is 27800976419. The next prime is 27800976499. The reversal of 27800976466 is 66467900872.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24405000841 + 3395975625 = 156221^2 + 58275^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6950244115 + ... + 6950244118.

Almost surely, 2^27800976466 is an apocalyptic number.

27800976466 is a deficient number, since it is larger than the sum of its proper divisors (13900488236).

27800976466 is a wasteful number, since it uses less digits than its factorization.

27800976466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13900488235.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 27800976466 in words is "twenty-seven billion, eight hundred million, nine hundred seventy-six thousand, four hundred sixty-six".