64348287 has 8 divisors (see below), whose sum is σ = 85970304. Its totient is φ = 42812568.

The previous prime is 64348283. The next prime is 64348301. The reversal of 64348287 is 78284346.

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

It is not a de Polignac number, because 64348287 - 2² = 64348283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64348283) 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, 19813 + ... + 22830.

It is an arithmetic number, because the mean of its divisors is an integer number (10746288).

Almost surely, 2^64348287 is an apocalyptic number.

64348287 is a deficient number, since it is larger than the sum of its proper divisors (21622017).

64348287 is a wasteful number, since it uses less digits than its factorization.

64348287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43149.

The product of its digits is 258048, while the sum is 42.

The square root of 64348287 is about 8021.7384026157. The cubic root of 64348287 is about 400.7242856508.

The spelling of 64348287 in words is "sixty-four million, three hundred forty-eight thousand, two hundred eighty-seven".