47086664 has 8 divisors (see below), whose sum is σ = 88287510. Its totient is φ = 23543328.

The previous prime is 47086619. The next prime is 47086709. The reversal of 47086664 is 46668074.

47086664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47086619) and next prime (47086709).

It can be written as a sum of positive squares in only one way, i.e., 45670564 + 1416100 = 6758^2 + 1190^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2942909 + ... + 2942924.

Almost surely, 2^47086664 is an apocalyptic number.

It is an amenable number.

47086664 is a deficient number, since it is larger than the sum of its proper divisors (41200846).

47086664 is a wasteful number, since it uses less digits than its factorization.

47086664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885839 (or 5885835 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 47086664 is about 6861.9723112236. The cubic root of 47086664 is about 361.1042840910.

The spelling of 47086664 in words is "forty-seven million, eighty-six thousand, six hundred sixty-four".