8731866346 has 12 divisors (see below), whose sum is σ = 15236215938. Its totient is φ = 3742228392.

The previous prime is 8731866329. The next prime is 8731866361. The reversal of 8731866346 is 6436681378.

It is a happy number.

8731866346 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8173064025 + 558802321 = 90405^2 + 23639^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8731866293 and 8731866302.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44550241 + ... + 44550436.

Almost surely, 2^8731866346 is an apocalyptic number.

8731866346 is a deficient number, since it is larger than the sum of its proper divisors (6504349592).

8731866346 is a wasteful number, since it uses less digits than its factorization.

8731866346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89100693 (or 89100686 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 52.

The square root of 8731866346 is about 93444.4559404141. The cubic root of 8731866346 is about 2059.2181613739.

It can be divided in two parts, 87318 and 66346, that added together give a square (153664 = 392²).

The spelling of 8731866346 in words is "eight billion, seven hundred thirty-one million, eight hundred sixty-six thousand, three hundred forty-six".