65854045857 has 8 divisors (see below), whose sum is σ = 87872580576. Its totient is φ = 43869104192.

The previous prime is 65854045801. The next prime is 65854045879. The reversal of 65854045857 is 75854045856.

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

It is a cyclic number.

It is not a de Polignac number, because 65854045857 - 2⁶ = 65854045793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65854045797 and 65854045806.

It is not an unprimeable number, because it can be changed into a prime (65854045897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8393688 + ... + 8401529.

It is an arithmetic number, because the mean of its divisors is an integer number (10984072572).

Almost surely, 2^65854045857 is an apocalyptic number.

It is an amenable number.

65854045857 is a deficient number, since it is larger than the sum of its proper divisors (22018534719).

65854045857 is a wasteful number, since it uses less digits than its factorization.

65854045857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16796527.

The product of its (nonzero) digits is 26880000, while the sum is 57.

Subtracting 65854045857 from its reverse (75854045856), we obtain a palindrome (9999999999).

The spelling of 65854045857 in words is "sixty-five billion, eight hundred fifty-four million, forty-five thousand, eight hundred fifty-seven".