65854314856 has 48 divisors (see below), whose sum is σ = 135983030400. Its totient is φ = 29876315040.

The previous prime is 65854314821. The next prime is 65854314857. The reversal of 65854314856 is 65841345856.

65854314856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65854314797 and 65854314806.

It is not an unprimeable number, because it can be changed into a prime (65854314857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441225 + ... + 571303.

It is an arithmetic number, because the mean of its divisors is an integer number (2832979800).

Almost surely, 2^65854314856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65854314856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67991515200).

65854314856 is an abundant number, since it is smaller than the sum of its proper divisors (70128715544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65854314856 is a wasteful number, since it uses less digits than its factorization.

65854314856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130630 (or 130615 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 55.

The spelling of 65854314856 in words is "sixty-five billion, eight hundred fifty-four million, three hundred fourteen thousand, eight hundred fifty-six".