47766812 has 12 divisors (see below), whose sum is σ = 84769776. Its totient is φ = 23546880.

The previous prime is 47766811. The next prime is 47766827. The reversal of 47766812 is 21866774.

It is a self number, because there is not a number n which added to its sum of digits gives 47766812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47766811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83813 + ... + 84380.

It is an arithmetic number, because the mean of its divisors is an integer number (7064148).

Almost surely, 2^47766812 is an apocalyptic number.

It is an amenable number.

47766812 is a deficient number, since it is larger than the sum of its proper divisors (37002964).

47766812 is a wasteful number, since it uses less digits than its factorization.

47766812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168268 (or 168266 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 47766812 is about 6911.3538471127. The cubic root of 47766812 is about 362.8346480834.

The spelling of 47766812 in words is "forty-seven million, seven hundred sixty-six thousand, eight hundred twelve".