5294886664 has 8 divisors (see below), whose sum is σ = 9927912510. Its totient is φ = 2647443328.

The previous prime is 5294886637. The next prime is 5294886677. The reversal of 5294886664 is 4666884925.

It can be written as a sum of positive squares in only one way, i.e., 5014056100 + 280830564 = 70810^2 + 16758^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 5294886599 and 5294886608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330930409 + ... + 330930424.

Almost surely, 2^5294886664 is an apocalyptic number.

It is an amenable number.

5294886664 is a deficient number, since it is larger than the sum of its proper divisors (4633025846).

5294886664 is a wasteful number, since it uses less digits than its factorization.

5294886664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661860839 (or 661860835 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 58.

The square root of 5294886664 is about 72765.9718824672. The cubic root of 5294886664 is about 1742.9525183444.

The spelling of 5294886664 in words is "five billion, two hundred ninety-four million, eight hundred eighty-six thousand, six hundred sixty-four".