64535960587 has 32 divisors (see below), whose sum is σ = 77090958720. Its totient is φ = 52870164480.

The previous prime is 64535960581. The next prime is 64535960591. The reversal of 64535960587 is 78506953546.

It is a de Polignac number, because none of the positive numbers 2^k-64535960587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64535960581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14675073 + ... + 14679469.

It is an arithmetic number, because the mean of its divisors is an integer number (2409092460).

Almost surely, 2^64535960587 is an apocalyptic number.

64535960587 is a deficient number, since it is larger than the sum of its proper divisors (12554998133).

64535960587 is a wasteful number, since it uses less digits than its factorization.

64535960587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5431.

The product of its (nonzero) digits is 27216000, while the sum is 58.

The spelling of 64535960587 in words is "sixty-four billion, five hundred thirty-five million, nine hundred sixty thousand, five hundred eighty-seven".