84406571485361 has 4 divisors (see below), whose sum is σ = 84412588077300. Its totient is φ = 84400554893424.

The previous prime is 84406571485349. The next prime is 84406571485441. The reversal of 84406571485361 is 16358417560448.

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 5248538958961 + 79158032526400 = 2290969^2 + 8897080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84406571485361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84406571485294 and 84406571485303.

It is not an unprimeable number, because it can be changed into a prime (84406571985361) 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, 3008274926 + ... + 3008302983.

It is an arithmetic number, because the mean of its divisors is an integer number (21103147019325).

Almost surely, 2^{84406571485361} is an apocalyptic number.

It is an amenable number.

84406571485361 is a deficient number, since it is larger than the sum of its proper divisors (6016591939).

84406571485361 is a wasteful number, since it uses less digits than its factorization.

84406571485361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6016591938.

The product of its (nonzero) digits is 77414400, while the sum is 62.

The spelling of 84406571485361 in words is "eighty-four trillion, four hundred six billion, five hundred seventy-one million, four hundred eighty-five thousand, three hundred sixty-one".