47756878 has 16 divisors (see below), whose sum is σ = 80500896. Its totient is φ = 21083040.

The previous prime is 47756873. The next prime is 47756879. The reversal of 47756878 is 87865774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47756873) 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, 39333 + ... + 40528.

It is an arithmetic number, because the mean of its divisors is an integer number (5031306).

Almost surely, 2^47756878 is an apocalyptic number.

47756878 is a deficient number, since it is larger than the sum of its proper divisors (32744018).

47756878 is a wasteful number, since it uses less digits than its factorization.

47756878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79899.

The product of its digits is 2634240, while the sum is 52.

The square root of 47756878 is about 6910.6351372359. The cubic root of 47756878 is about 362.8094935940.

The spelling of 47756878 in words is "forty-seven million, seven hundred fifty-six thousand, eight hundred seventy-eight".