65885930 has 16 divisors (see below), whose sum is σ = 129376224. Its totient is φ = 23958480.

The previous prime is 65885929. The next prime is 65885947. The reversal of 65885930 is 3958856.

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 7 ways as a sum of consecutive naturals, for example, 299372 + ... + 299591.

It is an arithmetic number, because the mean of its divisors is an integer number (8086014).

Almost surely, 2^65885930 is an apocalyptic number.

65885930 is a deficient number, since it is larger than the sum of its proper divisors (63490294).

65885930 is a wasteful number, since it uses less digits than its factorization.

65885930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598981.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 65885930 is about 8117.0148453727. The cubic root of 65885930 is about 403.8910474750.

The spelling of 65885930 in words is "sixty-five million, eight hundred eighty-five thousand, nine hundred thirty".