32387768645 has 16 divisors (see below), whose sum is σ = 39577248000. Its totient is φ = 25439264448.

The previous prime is 32387768639. The next prime is 32387768653. The reversal of 32387768645 is 54686778323.

It is a cyclic number.

It is not a de Polignac number, because 32387768645 - 2²⁸ = 32119333189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158330 + ... + 299739.

It is an arithmetic number, because the mean of its divisors is an integer number (2473578000).

Almost surely, 2^32387768645 is an apocalyptic number.

It is an amenable number.

32387768645 is a deficient number, since it is larger than the sum of its proper divisors (7189479355).

32387768645 is a wasteful number, since it uses less digits than its factorization.

32387768645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458332.

The product of its digits is 40642560, while the sum is 59.

The spelling of 32387768645 in words is "thirty-two billion, three hundred eighty-seven million, seven hundred sixty-eight thousand, six hundred forty-five".