863120862932 has 12 divisors (see below), whose sum is σ = 1510481426580. Its totient is φ = 431554741056.

The previous prime is 863120862907. The next prime is 863120862937. The reversal of 863120862932 is 239268021368.

It can be written as a sum of positive squares in 2 ways, for example, as 439470881476 + 423649981456 = 662926^2 + 650884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863120862937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071707 + ... + 1695522.

It is an arithmetic number, because the mean of its divisors is an integer number (125873452215).

Almost surely, 2^863120862932 is an apocalyptic number.

It is an amenable number.

863120862932 is a deficient number, since it is larger than the sum of its proper divisors (647360563648).

863120862932 is a wasteful number, since it uses less digits than its factorization.

863120862932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845210 (or 2845208 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 863120862932 in words is "eight hundred sixty-three billion, one hundred twenty million, eight hundred sixty-two thousand, nine hundred thirty-two".