65338887 has 16 divisors (see below), whose sum is σ = 89395328. Its totient is φ = 42426720.

The previous prime is 65338879. The next prime is 65338907. The reversal of 65338887 is 78883356.

It is a happy number.

It is not a de Polignac number, because 65338887 - 2³ = 65338879 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 (65338807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88773 + ... + 89505.

It is an arithmetic number, because the mean of its divisors is an integer number (5587208).

Almost surely, 2^65338887 is an apocalyptic number.

65338887 is a deficient number, since it is larger than the sum of its proper divisors (24056441).

65338887 is a wasteful number, since it uses less digits than its factorization.

65338887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470.

The product of its digits is 967680, while the sum is 48.

The square root of 65338887 is about 8083.2473053841. The cubic root of 65338887 is about 402.7701197237.

The spelling of 65338887 in words is "sixty-five million, three hundred thirty-eight thousand, eight hundred eighty-seven".