65387895 has 32 divisors (see below), whose sum is σ = 108933120. Its totient is φ = 33452160.

The previous prime is 65387893. The next prime is 65387909. The reversal of 65387895 is 59878356.

It is not a de Polignac number, because 65387895 - 2¹ = 65387893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65387893) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 82692 + ... + 83478.

It is an arithmetic number, because the mean of its divisors is an integer number (3404160).

Almost surely, 2^65387895 is an apocalyptic number.

65387895 is a deficient number, since it is larger than the sum of its proper divisors (43545225).

65387895 is a wasteful number, since it uses less digits than its factorization.

65387895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015.

The product of its digits is 1814400, while the sum is 51.

The square root of 65387895 is about 8086.2781920980. The cubic root of 65387895 is about 402.8707949666.

The spelling of 65387895 in words is "sixty-five million, three hundred eighty-seven thousand, eight hundred ninety-five".