620288344885 has 64 divisors (see below), whose sum is σ = 831379127040. Its totient is φ = 440507105280.

The previous prime is 620288344877. The next prime is 620288344889. The reversal of 620288344885 is 588443882026.

It is not a de Polignac number, because 620288344885 - 2³ = 620288344877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620288344889) 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, 281564194 + ... + 281566396.

It is an arithmetic number, because the mean of its divisors is an integer number (12990298860).

Almost surely, 2^620288344885 is an apocalyptic number.

It is an amenable number.

620288344885 is a deficient number, since it is larger than the sum of its proper divisors (211090782155).

620288344885 is a wasteful number, since it uses less digits than its factorization.

620288344885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998.

The product of its (nonzero) digits is 23592960, while the sum is 58.

The spelling of 620288344885 in words is "six hundred twenty billion, two hundred eighty-eight million, three hundred forty-four thousand, eight hundred eighty-five".