65828115 has 48 divisors (see below), whose sum is σ = 119826720. Its totient is φ = 33384960.

The previous prime is 65828107. The next prime is 65828117. The reversal of 65828115 is 51182856.

It is not a de Polignac number, because 65828115 - 2³ = 65828107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65828115.

It is not an unprimeable number, because it can be changed into a prime (65828117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94920 + ... + 95610.

It is an arithmetic number, because the mean of its divisors is an integer number (2496390).

Almost surely, 2^65828115 is an apocalyptic number.

65828115 is a deficient number, since it is larger than the sum of its proper divisors (53998605).

65828115 is a wasteful number, since it uses less digits than its factorization.

65828115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 801 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 65828115 is about 8113.4527175550. The cubic root of 65828115 is about 403.7728745743.

The spelling of 65828115 in words is "sixty-five million, eight hundred twenty-eight thousand, one hundred fifteen".