65841332087 has 4 divisors (see below), whose sum is σ = 65841930336. Its totient is φ = 65840733840.

The previous prime is 65841332059. The next prime is 65841332093. The reversal of 65841332087 is 78023314856.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 65841332087 - 2⁶ = 65841332023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65841332287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81038 + ... + 371819.

It is an arithmetic number, because the mean of its divisors is an integer number (16460482584).

Almost surely, 2^65841332087 is an apocalyptic number.

65841332087 is a deficient number, since it is larger than the sum of its proper divisors (598249).

65841332087 is a wasteful number, since it uses less digits than its factorization.

65841332087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598248.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 65841332087 in words is "sixty-five billion, eight hundred forty-one million, three hundred thirty-two thousand, eighty-seven".