65485882815 has 8 divisors (see below), whose sum is σ = 104777412528. Its totient is φ = 34925804160.

The previous prime is 65485882769. The next prime is 65485882837. The reversal of 65485882815 is 51828858456.

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

It is not a de Polignac number, because 65485882815 - 2⁷ = 65485882687 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2182862746 + ... + 2182862775.

It is an arithmetic number, because the mean of its divisors is an integer number (13097176566).

Almost surely, 2^65485882815 is an apocalyptic number.

65485882815 is a deficient number, since it is larger than the sum of its proper divisors (39291529713).

65485882815 is a wasteful number, since it uses less digits than its factorization.

65485882815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4365725529.

The product of its digits is 24576000, while the sum is 60.

The spelling of 65485882815 in words is "sixty-five billion, four hundred eighty-five million, eight hundred eighty-two thousand, eight hundred fifteen".