64608823 has 8 divisors (see below), whose sum is σ = 68865120. Its totient is φ = 60403200.

The previous prime is 64608811. The next prime is 64608851. The reversal of 64608823 is 32880646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64608823 - 2²⁵ = 31054391 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 (64608853) 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 7 ways as a sum of consecutive naturals, for example, 10018 + ... + 15151.

It is an arithmetic number, because the mean of its divisors is an integer number (8608140).

Almost surely, 2^64608823 is an apocalyptic number.

64608823 is a deficient number, since it is larger than the sum of its proper divisors (4256297).

64608823 is a wasteful number, since it uses less digits than its factorization.

64608823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25337.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 64608823 is about 8037.9613708950. The cubic root of 64608823 is about 401.2643803945.

The spelling of 64608823 in words is "sixty-four million, six hundred eight thousand, eight hundred twenty-three".