622787680 has 48 divisors (see below), whose sum is σ = 1482969600. Its totient is φ = 247145472.

The previous prime is 622787617. The next prime is 622787699. The reversal of 622787680 is 86787226.

622787680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 622787680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4996 + ... + 35644.

It is an arithmetic number, because the mean of its divisors is an integer number (30895200).

Almost surely, 2^622787680 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 622787680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741484800).

622787680 is an abundant number, since it is smaller than the sum of its proper divisors (860181920).

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

622787680 is a wasteful number, since it uses less digits than its factorization.

622787680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30791 (or 30783 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 622787680 is about 24955.7143756696. The cubic root of 622787680 is about 853.9779769708.

The spelling of 622787680 in words is "six hundred twenty-two million, seven hundred eighty-seven thousand, six hundred eighty".