861943096284 has 12 divisors (see below), whose sum is σ = 2011200558024. Its totient is φ = 287314365424.

The previous prime is 861943096271. The next prime is 861943096319. The reversal of 861943096284 is 482690349168.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35914295667 + ... + 35914295690.

It is an arithmetic number, because the mean of its divisors is an integer number (167600046502).

Almost surely, 2^861943096284 is an apocalyptic number.

It is an amenable number.

861943096284 is an abundant number, since it is smaller than the sum of its proper divisors (1149257461740).

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

861943096284 is a wasteful number, since it uses less digits than its factorization.

861943096284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71828591364 (or 71828591362 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 861943096284 in words is "eight hundred sixty-one billion, nine hundred forty-three million, ninety-six thousand, two hundred eighty-four".