47665776 has 20 divisors (see below), whose sum is σ = 123136712. Its totient is φ = 15888576.

The previous prime is 47665771. The next prime is 47665777. The reversal of 47665776 is 67756674.

47665776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 993037 = 47665776 / (4 + 7 + 6 + 6 + 5 + 7 + 7 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47665771) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 496471 + ... + 496566.

Almost surely, 2^47665776 is an apocalyptic number.

It is an amenable number.

47665776 is an abundant number, since it is smaller than the sum of its proper divisors (75470936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47665776 is a wasteful number, since it uses less digits than its factorization.

47665776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993048 (or 993042 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 48.

The square root of 47665776 is about 6904.0405560802. The cubic root of 47665776 is about 362.5786457979.

The spelling of 47665776 in words is "forty-seven million, six hundred sixty-five thousand, seven hundred seventy-six".