66284795 has 4 divisors (see below), whose sum is σ = 79541760. Its totient is φ = 53027832.

The previous prime is 66284773. The next prime is 66284839. The reversal of 66284795 is 59748266.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66284795 - 2¹² = 66280699 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6628475 + ... + 6628484.

It is an arithmetic number, because the mean of its divisors is an integer number (19885440).

Almost surely, 2^66284795 is an apocalyptic number.

66284795 is a deficient number, since it is larger than the sum of its proper divisors (13256965).

66284795 is a wasteful number, since it uses less digits than its factorization.

66284795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13256964.

The product of its digits is 725760, while the sum is 47.

The square root of 66284795 is about 8141.5474573327. The cubic root of 66284795 is about 404.7044432067.

The spelling of 66284795 in words is "sixty-six million, two hundred eighty-four thousand, seven hundred ninety-five".