64333895 has 8 divisors (see below), whose sum is σ = 78509520. Its totient is φ = 50594560.

The previous prime is 64333889. The next prime is 64333937. The reversal of 64333895 is 59833346.

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

It is not a de Polignac number, because 64333895 - 2¹² = 64329799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108746 + ... + 109335.

It is an arithmetic number, because the mean of its divisors is an integer number (9813690).

Almost surely, 2^64333895 is an apocalyptic number.

64333895 is a deficient number, since it is larger than the sum of its proper divisors (14175625).

64333895 is a wasteful number, since it uses less digits than its factorization.

64333895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218145.

The product of its digits is 233280, while the sum is 41.

The square root of 64333895 is about 8020.8412900393. The cubic root of 64333895 is about 400.6944083782.

The spelling of 64333895 in words is "sixty-four million, three hundred thirty-three thousand, eight hundred ninety-five".