47664808 has 32 divisors (see below), whose sum is σ = 92275200. Its totient is φ = 23070528.

The previous prime is 47664803. The next prime is 47664817. The reversal of 47664808 is 80846674.

It is not an unprimeable number, because it can be changed into a prime (47664803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32785 + ... + 34207.

It is an arithmetic number, because the mean of its divisors is an integer number (2883600).

Almost surely, 2^47664808 is an apocalyptic number.

It is an amenable number.

47664808 is a deficient number, since it is larger than the sum of its proper divisors (44610392).

47664808 is a wasteful number, since it uses less digits than its factorization.

47664808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 47664808 is about 6903.9704518487. The cubic root of 47664808 is about 362.5761913569.

The spelling of 47664808 in words is "forty-seven million, six hundred sixty-four thousand, eight hundred eight".