3646568887 has 12 divisors (see below), whose sum is σ = 3949110984. Its totient is φ = 3347205120.

The previous prime is 3646568869. The next prime is 3646568897. The reversal of 3646568887 is 7888656463.

It is not a de Polignac number, because 3646568887 - 2²³ = 3638180279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646568897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3162103 + ... + 3163255.

It is an arithmetic number, because the mean of its divisors is an integer number (329092582).

Almost surely, 2^3646568887 is an apocalyptic number.

3646568887 is a deficient number, since it is larger than the sum of its proper divisors (302542097).

3646568887 is an equidigital number, since it uses as much as digits as its factorization.

3646568887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 1377 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 61.

The square root of 3646568887 is about 60386.8270983002. The cubic root of 3646568887 is about 1539.1991235497.

The spelling of 3646568887 in words is "three billion, six hundred forty-six million, five hundred sixty-eight thousand, eight hundred eighty-seven".