65857678875 has 48 divisors (see below), whose sum is σ = 124967874720. Its totient is φ = 33275448000.

The previous prime is 65857678801. The next prime is 65857678883. The reversal of 65857678875 is 57887675856.

It is not a de Polignac number, because 65857678875 - 2⁹ = 65857678363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1519156 + ... + 1561905.

It is an arithmetic number, because the mean of its divisors is an integer number (2603497390).

Almost surely, 2^65857678875 is an apocalyptic number.

65857678875 is a deficient number, since it is larger than the sum of its proper divisors (59110195845).

65857678875 is a wasteful number, since it uses less digits than its factorization.

65857678875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081101 (or 3081088 counting only the distinct ones).

The product of its digits is 790272000, while the sum is 72.

The spelling of 65857678875 in words is "sixty-five billion, eight hundred fifty-seven million, six hundred seventy-eight thousand, eight hundred seventy-five".