850115656 has 16 divisors (see below), whose sum is σ = 1716579900. Its totient is φ = 392361024.

The previous prime is 850115653. The next prime is 850115659. The reversal of 850115656 is 656511058.

850115656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (850115653) and next prime (850115659).

It can be written as a sum of positive squares in 2 ways, for example, as 838102500 + 12013156 = 28950^2 + 3466^2 .

It is not an unprimeable number, because it can be changed into a prime (850115653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4086991 + ... + 4087198.

Almost surely, 2^850115656 is an apocalyptic number.

It is an amenable number.

850115656 is an abundant number, since it is smaller than the sum of its proper divisors (866464244).

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

850115656 is a wasteful number, since it uses less digits than its factorization.

850115656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8174208 (or 8174204 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 850115656 is about 29156.7428907963. The cubic root of 850115656 is about 947.3111988669.

The spelling of 850115656 in words is "eight hundred fifty million, one hundred fifteen thousand, six hundred fifty-six".