811744342860 has 96 divisors (see below), whose sum is σ = 2505072148992. Its totient is φ = 194757765120.

The previous prime is 811744342847. The next prime is 811744342867. The reversal of 811744342860 is 68243447118.

It is not an unprimeable number, because it can be changed into a prime (811744342867) 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, 6275752 + ... + 6403791.

It is an arithmetic number, because the mean of its divisors is an integer number (26094501552).

Almost surely, 2^811744342860 is an apocalyptic number.

It is an amenable number.

811744342860 is an abundant number, since it is smaller than the sum of its proper divisors (1693327806132).

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

811744342860 is a wasteful number, since it uses less digits than its factorization.

811744342860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12679663 (or 12679661 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

Adding to 811744342860 its reverse (68243447118), we get a palindrome (879987789978).

The spelling of 811744342860 in words is "eight hundred eleven billion, seven hundred forty-four million, three hundred forty-two thousand, eight hundred sixty".