623758808680 has 128 divisors (see below), whose sum is σ = 1645797242880. Its totient is φ = 208298004480.

The previous prime is 623758808671. The next prime is 623758808681. The reversal of 623758808680 is 86808857326.

It is not an unprimeable number, because it can be changed into a prime (623758808681) 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, 6923604 + ... + 7013116.

It is an arithmetic number, because the mean of its divisors is an integer number (12857790960).

Almost surely, 2^623758808680 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 623758808680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822898621440).

623758808680 is an abundant number, since it is smaller than the sum of its proper divisors (1022038434200).

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

623758808680 is a wasteful number, since it uses less digits than its factorization.

623758808680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90179 (or 90175 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 623758808680 in words is "six hundred twenty-three billion, seven hundred fifty-eight million, eight hundred eight thousand, six hundred eighty".