84715121143 has 4 divisors (see below), whose sum is σ = 84896524440. Its totient is φ = 84533717848.

The previous prime is 84715121137. The next prime is 84715121159. The reversal of 84715121143 is 34112151748.

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

It is a cyclic number.

It is not a de Polignac number, because 84715121143 - 2⁵ = 84715121111 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 (84715121173) 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, 90700948 + ... + 90701881.

It is an arithmetic number, because the mean of its divisors is an integer number (21224131110).

Almost surely, 2^84715121143 is an apocalyptic number.

84715121143 is a deficient number, since it is larger than the sum of its proper divisors (181403297).

84715121143 is a wasteful number, since it uses less digits than its factorization.

84715121143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181403296.

The product of its digits is 26880, while the sum is 37.

The spelling of 84715121143 in words is "eighty-four billion, seven hundred fifteen million, one hundred twenty-one thousand, one hundred forty-three".