64005477 has 8 divisors (see below), whose sum is σ = 85457280. Its totient is φ = 42612000.

The previous prime is 64005467. The next prime is 64005499. The reversal of 64005477 is 77450046.

64005477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64005477 - 2¹⁰ = 64004453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64005467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11952 + ... + 16457.

It is an arithmetic number, because the mean of its divisors is an integer number (10682160).

Almost surely, 2^64005477 is an apocalyptic number.

It is an amenable number.

64005477 is a deficient number, since it is larger than the sum of its proper divisors (21451803).

64005477 is a wasteful number, since it uses less digits than its factorization.

64005477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29163.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 64005477 is about 8000.3423051767. The cubic root of 64005477 is about 400.0114100912.

The spelling of 64005477 in words is "sixty-four million, five thousand, four hundred seventy-seven".