709827069312 has 160 divisors (see below), whose sum is σ = 2119652599680. Its totient is φ = 235800474624.

The previous prime is 709827069311. The next prime is 709827069323. The reversal of 709827069312 is 213960728907.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709827069311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2920993 + ... + 3154655.

It is an arithmetic number, because the mean of its divisors is an integer number (13247828748).

Almost surely, 2^709827069312 is an apocalyptic number.

709827069312 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709827069312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059826299840).

709827069312 is an abundant number, since it is smaller than the sum of its proper divisors (1409825530368).

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

709827069312 is a wasteful number, since it uses less digits than its factorization.

709827069312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233982 (or 233961 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 709827069312 in words is "seven hundred nine billion, eight hundred twenty-seven million, sixty-nine thousand, three hundred twelve".