620287704768 has 28 divisors (see below), whose sum is σ = 1641177886040. Its totient is φ = 206762568192.

The previous prime is 620287704767. The next prime is 620287704779. The reversal of 620287704768 is 867407782026.

It is not an unprimeable number, because it can be changed into a prime (620287704767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1615332373 + ... + 1615332756.

It is an arithmetic number, because the mean of its divisors is an integer number (58613495930).

Almost surely, 2^620287704768 is an apocalyptic number.

It is an amenable number.

620287704768 is an abundant number, since it is smaller than the sum of its proper divisors (1020890181272).

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

620287704768 is a wasteful number, since it uses less digits than its factorization.

620287704768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230665144 (or 3230665134 counting only the distinct ones).

The product of its (nonzero) digits is 12644352, while the sum is 57.

The spelling of 620287704768 in words is "six hundred twenty billion, two hundred eighty-seven million, seven hundred four thousand, seven hundred sixty-eight".