65288885 has 4 divisors (see below), whose sum is σ = 78346668. Its totient is φ = 52231104.

The previous prime is 65288843. The next prime is 65288893. The reversal of 65288885 is 58888256.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47251876 + 18037009 = 6874^2 + 4247^2 .

It is a cyclic number.

It is not a de Polignac number, because 65288885 - 2¹² = 65284789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6528884 + ... + 6528893.

It is an arithmetic number, because the mean of its divisors is an integer number (19586667).

Almost surely, 2^65288885 is an apocalyptic number.

It is an amenable number.

65288885 is a deficient number, since it is larger than the sum of its proper divisors (13057783).

65288885 is a wasteful number, since it uses less digits than its factorization.

65288885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13057782.

The product of its digits is 1228800, while the sum is 50.

The square root of 65288885 is about 8080.1537732892. The cubic root of 65288885 is about 402.6673506481.

The spelling of 65288885 in words is "sixty-five million, two hundred eighty-eight thousand, eight hundred eighty-five".