8500943061 has 32 divisors (see below), whose sum is σ = 13571349120. Its totient is φ = 5228036352.

The previous prime is 8500943057. The next prime is 8500943071. The reversal of 8500943061 is 1603490058.

8500943061 is a `hidden beast` number, since 8 + 500 + 94 + 3 + 0 + 61 = 666.

It is not a de Polignac number, because 8500943061 - 2² = 8500943057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8500943051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620461 + ... + 634013.

It is an arithmetic number, because the mean of its divisors is an integer number (424104660).

Almost surely, 2^8500943061 is an apocalyptic number.

It is an amenable number.

8500943061 is a deficient number, since it is larger than the sum of its proper divisors (5070406059).

8500943061 is a wasteful number, since it uses less digits than its factorization.

8500943061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15362 (or 15356 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 8500943061 is about 92200.5588974384. The cubic root of 8500943061 is about 2040.9030236527.

The spelling of 8500943061 in words is "eight billion, five hundred million, nine hundred forty-three thousand, sixty-one".