84216728173874 has 16 divisors (see below), whose sum is σ = 126417841441728. Its totient is φ = 42077452393872.

The previous prime is 84216728173867. The next prime is 84216728173931. The reversal of 84216728173874 is 47837182761248.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34866689 + ... + 37203755.

It is an arithmetic number, because the mean of its divisors is an integer number (7901115090108).

Almost surely, 2^{84216728173874} is an apocalyptic number.

84216728173874 is a deficient number, since it is larger than the sum of its proper divisors (42201113267854).

84216728173874 is a wasteful number, since it uses less digits than its factorization.

84216728173874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350289.

The product of its digits is 202309632, while the sum is 68.

The spelling of 84216728173874 in words is "eighty-four trillion, two hundred sixteen billion, seven hundred twenty-eight million, one hundred seventy-three thousand, eight hundred seventy-four".