620560726072287 has 64 divisors (see below), whose sum is σ = 1111574943230976. Its totient is φ = 297399865512960.

The previous prime is 620560726072253. The next prime is 620560726072319. The reversal of 620560726072287 is 782270627065026.

It is not a de Polignac number, because 620560726072287 - 2⁸ = 620560726072031 is a prime.

It is a super-2 number, since 2×620560726072287² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 620560726072287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620560726070287) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54416958 + ... + 64825355.

It is an arithmetic number, because the mean of its divisors is an integer number (17368358487984).

Almost surely, 2^{620560726072287} is an apocalyptic number.

620560726072287 is a deficient number, since it is larger than the sum of its proper divisors (491014217158689).

620560726072287 is a wasteful number, since it uses less digits than its factorization.

620560726072287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119244080.

The product of its (nonzero) digits is 47416320, while the sum is 60.

The spelling of 620560726072287 in words is "six hundred twenty trillion, five hundred sixty billion, seven hundred twenty-six million, seventy-two thousand, two hundred eighty-seven".