84461617133143 has 4 divisors (see below), whose sum is σ = 84515793925680. Its totient is φ = 84407440340608.

The previous prime is 84461617133123. The next prime is 84461617133161. The reversal of 84461617133143 is 34133171616448.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84461617133143 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 (84461617133123) 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, 27088393930 + ... + 27088397047.

It is an arithmetic number, because the mean of its divisors is an integer number (21128948481420).

Almost surely, 2^{84461617133143} is an apocalyptic number.

84461617133143 is a deficient number, since it is larger than the sum of its proper divisors (54176792537).

84461617133143 is a wasteful number, since it uses less digits than its factorization.

84461617133143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54176792536.

The product of its digits is 3483648, while the sum is 52.

The spelling of 84461617133143 in words is "eighty-four trillion, four hundred sixty-one billion, six hundred seventeen million, one hundred thirty-three thousand, one hundred forty-three".