84871793164 has 24 divisors (see below), whose sum is σ = 151740485568. Its totient is φ = 41521733760.

The previous prime is 84871793161. The next prime is 84871793173. The reversal of 84871793164 is 46139717848.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 84871793099 and 84871793108.

It is not an unprimeable number, because it can be changed into a prime (84871793161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467617 + ... + 623224.

It is an arithmetic number, because the mean of its divisors is an integer number (6322520232).

Almost surely, 2^84871793164 is an apocalyptic number.

It is an amenable number.

84871793164 is a deficient number, since it is larger than the sum of its proper divisors (66868692404).

84871793164 is a wasteful number, since it uses less digits than its factorization.

84871793164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091265 (or 1091263 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 58.

The spelling of 84871793164 in words is "eighty-four billion, eight hundred seventy-one million, seven hundred ninety-three thousand, one hundred sixty-four".