620604658575 has 48 divisors (see below), whose sum is σ = 1243716825600. Its totient is φ = 300899224800.

The previous prime is 620604658573. The next prime is 620604658591. The reversal of 620604658575 is 575856406026.

620604658575 is a `hidden beast` number, since 6 + 2 + 0 + 6 + 0 + 4 + 65 + 8 + 575 = 666.

It is not a de Polignac number, because 620604658575 - 2¹ = 620604658573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620604658573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41784135 + ... + 41798984.

It is an arithmetic number, because the mean of its divisors is an integer number (25910767200).

Almost surely, 2^620604658575 is an apocalyptic number.

620604658575 is an abundant number, since it is smaller than the sum of its proper divisors (623112167025).

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

620604658575 is a wasteful number, since it uses less digits than its factorization.

620604658575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83583149 (or 83583138 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 54.

The spelling of 620604658575 in words is "six hundred twenty billion, six hundred four million, six hundred fifty-eight thousand, five hundred seventy-five".