64310089 has 4 divisors (see below), whose sum is σ = 66384640. Its totient is φ = 62235540.

The previous prime is 64310083. The next prime is 64310101. The reversal of 64310089 is 98001346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64310089 - 2⁹ = 64309577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 2074519 = 64310089 / (6 + 4 + 3 + 1 + 0 + 0 + 8 + 9).

It is a self number, because there is not a number n which added to its sum of digits gives 64310089.

It is not an unprimeable number, because it can be changed into a prime (64310083) 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, 1037229 + ... + 1037290.

It is an arithmetic number, because the mean of its divisors is an integer number (16596160).

Almost surely, 2^64310089 is an apocalyptic number.

It is an amenable number.

64310089 is a deficient number, since it is larger than the sum of its proper divisors (2074551).

64310089 is a wasteful number, since it uses less digits than its factorization.

64310089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074550.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 64310089 is about 8019.3571438115. The cubic root of 64310089 is about 400.6449781988.

The spelling of 64310089 in words is "sixty-four million, three hundred ten thousand, eighty-nine".