64877385 has 8 divisors (see below), whose sum is σ = 103803840. Its totient is φ = 34601264.

The previous prime is 64877377. The next prime is 64877387. The reversal of 64877385 is 58377846.

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 64877385 - 2³ = 64877377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64877387) 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, 2162565 + ... + 2162594.

It is an arithmetic number, because the mean of its divisors is an integer number (12975480).

Almost surely, 2^64877385 is an apocalyptic number.

It is an amenable number.

64877385 is a deficient number, since it is larger than the sum of its proper divisors (38926455).

64877385 is a wasteful number, since it uses less digits than its factorization.

64877385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325167.

The product of its digits is 1128960, while the sum is 48.

The square root of 64877385 is about 8054.6498992818. The cubic root of 64877385 is about 401.8195955456.

The spelling of 64877385 in words is "sixty-four million, eight hundred seventy-seven thousand, three hundred eighty-five".