84000585461 has 4 divisors (see below), whose sum is σ = 90462168972. Its totient is φ = 77539001952.

The previous prime is 84000585451. The next prime is 84000585479. The reversal of 84000585461 is 16458500048.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15863402500 + 68137182961 = 125950^2 + 261031^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84000585461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84000585401) 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, 3230791736 + ... + 3230791761.

It is an arithmetic number, because the mean of its divisors is an integer number (22615542243).

Almost surely, 2^84000585461 is an apocalyptic number.

It is an amenable number.

84000585461 is a deficient number, since it is larger than the sum of its proper divisors (6461583511).

84000585461 is a wasteful number, since it uses less digits than its factorization.

84000585461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461583510.

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 84000585461 in words is "eighty-four billion, five hundred eighty-five thousand, four hundred sixty-one".