47523906866 has 8 divisors (see below), whose sum is σ = 71291197980. Its totient is φ = 23760174208.

The previous prime is 47523906823. The next prime is 47523906887. The reversal of 47523906866 is 66860932574.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47271891241 + 252015625 = 217421^2 + 15875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855971 + ... + 909798.

Almost surely, 2^47523906866 is an apocalyptic number.

47523906866 is a deficient number, since it is larger than the sum of its proper divisors (23767291114).

47523906866 is a wasteful number, since it uses less digits than its factorization.

47523906866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779228.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 47523906866 in words is "forty-seven billion, five hundred twenty-three million, nine hundred six thousand, eight hundred sixty-six".