5320729866 has 16 divisors (see below), whose sum is σ = 11201536800. Its totient is φ = 1680230448.

The previous prime is 5320729861. The next prime is 5320729867. The reversal of 5320729866 is 6689270235.

It is not an unprimeable number, because it can be changed into a prime (5320729861) 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, 23336421 + ... + 23336648.

It is an arithmetic number, because the mean of its divisors is an integer number (700096050).

Almost surely, 2^5320729866 is an apocalyptic number.

5320729866 is an abundant number, since it is smaller than the sum of its proper divisors (5880806934).

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

5320729866 is a wasteful number, since it uses less digits than its factorization.

5320729866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46673093.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 5320729866 is about 72943.3332526010. Note that the first 3 decimals coincide. The cubic root of 5320729866 is about 1745.7835760816.

The spelling of 5320729866 in words is "five billion, three hundred twenty million, seven hundred twenty-nine thousand, eight hundred sixty-six".