64360587 has 4 divisors (see below), whose sum is σ = 85814120. Its totient is φ = 42907056.

The previous prime is 64360573. The next prime is 64360591. The reversal of 64360587 is 78506346.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 64360587 - 2¹⁰ = 64359563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64360537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10726762 + ... + 10726767.

It is an arithmetic number, because the mean of its divisors is an integer number (21453530).

Almost surely, 2^64360587 is an apocalyptic number.

64360587 is a deficient number, since it is larger than the sum of its proper divisors (21453533).

64360587 is a wasteful number, since it uses less digits than its factorization.

64360587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21453532.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 64360587 is about 8022.5050327189. The cubic root of 64360587 is about 400.7498164765.

The spelling of 64360587 in words is "sixty-four million, three hundred sixty thousand, five hundred eighty-seven".