84670642238816 has 48 divisors (see below), whose sum is σ = 178735123506240. Its totient is φ = 39340640901120.

The previous prime is 84670642238803. The next prime is 84670642238893. The reversal of 84670642238816 is 61883224607648.

It is a congruent number.

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, 985049195 + ... + 985135146.

It is an arithmetic number, because the mean of its divisors is an integer number (3723648406380).

Almost surely, 2^{84670642238816} is an apocalyptic number.

It is an amenable number.

84670642238816 is an abundant number, since it is smaller than the sum of its proper divisors (94064481267424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84670642238816 is a wasteful number, since it uses less digits than its factorization.

84670642238816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970184447 (or 1970184439 counting only the distinct ones).

The product of its (nonzero) digits is 148635648, while the sum is 65.

The spelling of 84670642238816 in words is "eighty-four trillion, six hundred seventy billion, six hundred forty-two million, two hundred thirty-eight thousand, eight hundred sixteen".