65982894 has 8 divisors (see below), whose sum is σ = 131965800. Its totient is φ = 21994296.

The previous prime is 65982871. The next prime is 65982901. The reversal of 65982894 is 49828956.

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

65982894 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5498569 + ... + 5498580.

It is an arithmetic number, because the mean of its divisors is an integer number (16495725).

Almost surely, 2^65982894 is an apocalyptic number.

65982894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65982894 is a wasteful number, since it uses less digits than its factorization.

65982894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10997154.

The product of its digits is 1244160, while the sum is 51.

The square root of 65982894 is about 8122.9855348880. The cubic root of 65982894 is about 404.0890851809.

The spelling of 65982894 in words is "sixty-five million, nine hundred eighty-two thousand, eight hundred ninety-four".