620342776768 has 336 divisors, whose sum is σ = 1503747624960. Its totient is φ = 252096768000.

The previous prime is 620342776747. The next prime is 620342776819. The reversal of 620342776768 is 867677243026.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 421714273 + ... + 421715743.

It is an arithmetic number, because the mean of its divisors is an integer number (4475439360).

Almost surely, 2^620342776768 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 620342776768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751873812480).

620342776768 is an abundant number, since it is smaller than the sum of its proper divisors (883404848192).

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

620342776768 is a wasteful number, since it uses less digits than its factorization.

620342776768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 58.

The spelling of 620342776768 in words is "six hundred twenty billion, three hundred forty-two million, seven hundred seventy-six thousand, seven hundred sixty-eight".