620796563255 has 32 divisors (see below), whose sum is σ = 823701657600. Its totient is φ = 445375008000.

The previous prime is 620796563243. The next prime is 620796563273. The reversal of 620796563255 is 552365697026.

It is not a de Polignac number, because 620796563255 - 2³² = 616501595959 is a prime.

It is a super-3 number, since 3×620796563255³ (a number of 36 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 620796563255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4842230 + ... + 4968780.

It is an arithmetic number, because the mean of its divisors is an integer number (25740676800).

Almost surely, 2^620796563255 is an apocalyptic number.

620796563255 is a deficient number, since it is larger than the sum of its proper divisors (202905094345).

620796563255 is a wasteful number, since it uses less digits than its factorization.

620796563255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127775.

The product of its (nonzero) digits is 20412000, while the sum is 56.

The spelling of 620796563255 in words is "six hundred twenty billion, seven hundred ninety-six million, five hundred sixty-three thousand, two hundred fifty-five".