64608829 has 4 divisors (see below), whose sum is σ = 64741984. Its totient is φ = 64475676.

The previous prime is 64608811. The next prime is 64608851. The reversal of 64608829 is 92880646.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92880646 = 2 ⋅46440323.

It is a cyclic number.

It is not a de Polignac number, because 64608829 - 2⁷ = 64608701 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 (64608809) 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 3 ways as a sum of consecutive naturals, for example, 65847 + ... + 66820.

It is an arithmetic number, because the mean of its divisors is an integer number (16185496).

Almost surely, 2^64608829 is an apocalyptic number.

It is an amenable number.

64608829 is a deficient number, since it is larger than the sum of its proper divisors (133155).

64608829 is a wasteful number, since it uses less digits than its factorization.

64608829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133154.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 64608829 is about 8037.9617441239. The cubic root of 64608829 is about 401.2643928158.

The spelling of 64608829 in words is "sixty-four million, six hundred eight thousand, eight hundred twenty-nine".