869797722393600 has 6336 divisors, whose sum is σ = 4182868894256640. Its totient is φ = 156245793177600.

The previous prime is 869797722393547. The next prime is 869797722393659. The reversal of 869797722393600 is 6393227797968.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 991787596362 + ... + 991787597238.

Almost surely, 2^{869797722393600} is an apocalyptic number.

869797722393600 is a gapful number since it is divisible by the number (80) 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 869797722393600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2091434447128320).

869797722393600 is an abundant number, since it is smaller than the sum of its proper divisors (3313071171863040).

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

869797722393600 is a wasteful number, since it uses less digits than its factorization.

869797722393600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 2592487296, while the sum is 78.

The spelling of 869797722393600 in words is "eight hundred sixty-nine trillion, seven hundred ninety-seven billion, seven hundred twenty-two million, three hundred ninety-three thousand, six hundred".