865735414712 has 96 divisors (see below), whose sum is σ = 1894951000800.
Its totient is φ = 369720013824.
The previous prime is 865735414681. The next prime is 865735414717. The reversal of 865735414712 is 217414537568.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (865735414717) 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 23 ways as a sum of consecutive naturals, for example, 153523589 + ... + 153529227.
It is an arithmetic number, because the mean of its divisors is an integer number (19739072925).
Almost surely, 2865735414712 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 865735414712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947475500400).
865735414712 is an abundant number, since it is smaller than the sum of its proper divisors (1029215586088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
865735414712 is a wasteful number, since it uses less digits than its factorization.
865735414712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6973 (or 6962 counting only the distinct ones).
The product of its digits is 5644800, while the sum is 53.
The spelling of 865735414712 in words is "eight hundred sixty-five billion, seven hundred thirty-five million, four hundred fourteen thousand, seven hundred twelve".