5447664776 has 8 divisors (see below), whose sum is σ = 10214371470. Its totient is φ = 2723832384.

The previous prime is 5447664769. The next prime is 5447664779. The reversal of 5447664776 is 6774667445.

It can be written as a sum of positive squares in only one way, i.e., 5142324100 + 305340676 = 71710^2 + 17474^2 .

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

It is a super-2 number, since 2×5447664776² = 59354103023342260352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5447664779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340479041 + ... + 340479056.

Almost surely, 2^5447664776 is an apocalyptic number.

It is an amenable number.

5447664776 is a deficient number, since it is larger than the sum of its proper divisors (4766706694).

5447664776 is a wasteful number, since it uses less digits than its factorization.

5447664776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680958103 (or 680958099 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 56.

The square root of 5447664776 is about 73808.2974739290. The cubic root of 5447664776 is about 1759.5574791378.

The spelling of 5447664776 in words is "five billion, four hundred forty-seven million, six hundred sixty-four thousand, seven hundred seventy-six".