861330050 has 96 divisors (see below), whose sum is σ = 1891378944. Its totient is φ = 285696000.

The previous prime is 861330047. The next prime is 861330053. The reversal of 861330050 is 50033168.

861330050 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 (861330047) and next prime (861330053).

It is not an unprimeable number, because it can be changed into a prime (861330053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2769395 + ... + 2769705.

It is an arithmetic number, because the mean of its divisors is an integer number (19701864).

Almost surely, 2^861330050 is an apocalyptic number.

861330050 is an abundant number, since it is smaller than the sum of its proper divisors (1030048894).

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

861330050 is a wasteful number, since it uses less digits than its factorization.

861330050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 861330050 is about 29348.4250003301. The cubic root of 861330050 is about 951.4585351879.

The spelling of 861330050 in words is "eight hundred sixty-one million, three hundred thirty thousand, fifty".