84143117494 has 8 divisors (see below), whose sum is σ = 127178147448. Its totient is φ = 41750401680.

The previous prime is 84143117479. The next prime is 84143117497. The reversal of 84143117494 is 49471134148.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84143117497) 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, 160578207 + ... + 160578730.

It is an arithmetic number, because the mean of its divisors is an integer number (15897268431).

Almost surely, 2^84143117494 is an apocalyptic number.

84143117494 is a deficient number, since it is larger than the sum of its proper divisors (43035029954).

84143117494 is a wasteful number, since it uses less digits than its factorization.

84143117494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321157070.

The product of its digits is 387072, while the sum is 46.

The spelling of 84143117494 in words is "eighty-four billion, one hundred forty-three million, one hundred seventeen thousand, four hundred ninety-four".