620512251076 has 9 divisors (see below), whose sum is σ = 1085899196431. Its totient is φ = 310255337812.

The previous prime is 620512251059. The next prime is 620512251091. The reversal of 620512251076 is 670152215026.

The square root of 620512251076 is 787726.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1378521 + ... + 1772383.

Almost surely, 2^620512251076 is an apocalyptic number.

620512251076 is the 787726-th square number.

It is an amenable number.

620512251076 is a deficient number, since it is larger than the sum of its proper divisors (465386945355).

620512251076 is an frugal number, since it uses more digits than its factorization.

620512251076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787730 (or 393865 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 620512251076 in words is "six hundred twenty billion, five hundred twelve million, two hundred fifty-one thousand, seventy-six".