64350887 has 16 divisors (see below), whose sum is σ = 67630080. Its totient is φ = 61186752.

The previous prime is 64350857. The next prime is 64350889. The reversal of 64350887 is 78805346.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 64350887 - 2¹⁰ = 64349863 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 (64350889) 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, 288458 + ... + 288680.

It is an arithmetic number, because the mean of its divisors is an integer number (4226880).

Almost surely, 2^64350887 is an apocalyptic number.

64350887 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

64350887 is a deficient number, since it is larger than the sum of its proper divisors (3279193).

64350887 is a wasteful number, since it uses less digits than its factorization.

64350887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 64350887 is about 8021.9004606141. The cubic root of 64350887 is about 400.7296826819.

The spelling of 64350887 in words is "sixty-four million, three hundred fifty thousand, eight hundred eighty-seven".