662485875787 has 16 divisors (see below), whose sum is σ = 699261880320. Its totient is φ = 625903027200.

The previous prime is 662485875761. The next prime is 662485875811. The reversal of 662485875787 is 787578584266.

It is a cyclic number.

It is not a de Polignac number, because 662485875787 - 2²³ = 662477487179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662485875287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10478962 + ... + 10541992.

It is an arithmetic number, because the mean of its divisors is an integer number (43703867520).

Almost surely, 2^662485875787 is an apocalyptic number.

662485875787 is a deficient number, since it is larger than the sum of its proper divisors (36776004533).

662485875787 is a wasteful number, since it uses less digits than its factorization.

662485875787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64554.

The product of its digits is 1264435200, while the sum is 73.

The spelling of 662485875787 in words is "six hundred sixty-two billion, four hundred eighty-five million, eight hundred seventy-five thousand, seven hundred eighty-seven".