65887538856 has 16 divisors (see below), whose sum is σ = 164718847200. Its totient is φ = 21962512944.

The previous prime is 65887538851. The next prime is 65887538861. The reversal of 65887538856 is 65883578856.

65887538856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65887538851) and next prime (65887538861).

It is not an unprimeable number, because it can be changed into a prime (65887538851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372657036 + ... + 1372657083.

It is an arithmetic number, because the mean of its divisors is an integer number (10294927950).

Almost surely, 2^65887538856 is an apocalyptic number.

It is an amenable number.

65887538856 is an abundant number, since it is smaller than the sum of its proper divisors (98831308344).

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

65887538856 is a wasteful number, since it uses less digits than its factorization.

65887538856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745314128 (or 2745314124 counting only the distinct ones).

The product of its digits is 387072000, while the sum is 69.

The spelling of 65887538856 in words is "sixty-five billion, eight hundred eighty-seven million, five hundred thirty-eight thousand, eight hundred fifty-six".