8456840936 has 8 divisors (see below), whose sum is σ = 15856576770. Its totient is φ = 4228420464.

The previous prime is 8456840921. The next prime is 8456840941. The reversal of 8456840936 is 6390486548.

It can be written as a sum of positive squares in only one way, i.e., 4845552100 + 3611288836 = 69610^2 + 60094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528552551 + ... + 528552566.

Almost surely, 2^8456840936 is an apocalyptic number.

It is an amenable number.

8456840936 is a deficient number, since it is larger than the sum of its proper divisors (7399735834).

8456840936 is a wasteful number, since it uses less digits than its factorization.

8456840936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057105123 (or 1057105119 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 53.

The square root of 8456840936 is about 91961.0838126650. The cubic root of 8456840936 is about 2037.3675625009.

The spelling of 8456840936 in words is "eight billion, four hundred fifty-six million, eight hundred forty thousand, nine hundred thirty-six".