65087571894 has 16 divisors (see below), whose sum is σ = 130475784432. Its totient is φ = 21645750528.

The previous prime is 65087571893. The next prime is 65087571919. The reversal of 65087571894 is 49817578056.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65087571893) 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, 12523879 + ... + 12529074.

It is an arithmetic number, because the mean of its divisors is an integer number (8154736527).

Almost surely, 2^65087571894 is an apocalyptic number.

65087571894 is an abundant number, since it is smaller than the sum of its proper divisors (65388212538).

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

65087571894 is a wasteful number, since it uses less digits than its factorization.

65087571894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25053391.

The product of its (nonzero) digits is 16934400, while the sum is 60.

The spelling of 65087571894 in words is "sixty-five billion, eighty-seven million, five hundred seventy-one thousand, eight hundred ninety-four".