84145108373705 has 16 divisors (see below), whose sum is σ = 104111086014144. Its totient is φ = 65248683339840.

The previous prime is 84145108373647. The next prime is 84145108373719. The reversal of 84145108373705 is 50737380154148.

It is a de Polignac number, because none of the positive numbers 2^k-84145108373705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1493760374 + ... + 1493816703.

It is an arithmetic number, because the mean of its divisors is an integer number (6506942875884).

Almost surely, 2^{84145108373705} is an apocalyptic number.

It is an amenable number.

84145108373705 is a deficient number, since it is larger than the sum of its proper divisors (19965977640439).

84145108373705 is a wasteful number, since it uses less digits than its factorization.

84145108373705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987577256.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 84145108373705 in words is "eighty-four trillion, one hundred forty-five billion, one hundred eight million, three hundred seventy-three thousand, seven hundred five".