64089679 has 16 divisors (see below), whose sum is σ = 70087680. Its totient is φ = 58380480.

The previous prime is 64089671. The next prime is 64089689. The reversal of 64089679 is 97698046.

It is not a de Polignac number, because 64089679 - 2³ = 64089671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64089671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137004 + ... + 137470.

It is an arithmetic number, because the mean of its divisors is an integer number (4380480).

Almost surely, 2^64089679 is an apocalyptic number.

64089679 is a deficient number, since it is larger than the sum of its proper divisors (5998001).

64089679 is a wasteful number, since it uses less digits than its factorization.

64089679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 64089679 is about 8005.6029754167. The cubic root of 64089679 is about 400.1867440531.

The spelling of 64089679 in words is "sixty-four million, eighty-nine thousand, six hundred seventy-nine".