8705149073620 has 24 divisors (see below), whose sum is σ = 18501063817824. Its totient is φ = 3440107103136.

The previous prime is 8705149073617. The next prime is 8705149073653. The reversal of 8705149073620 is 263709415078.

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, 2622031194 + ... + 2622034513.

It is an arithmetic number, because the mean of its divisors is an integer number (770877659076).

It is a 1-persistent number, because it is pandigital, but 2⋅8705149073620 = 17410298147240 is not.

Almost surely, 2^{8705149073620} is an apocalyptic number.

It is an amenable number.

8705149073620 is an abundant number, since it is smaller than the sum of its proper divisors (9795914744204).

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

8705149073620 is a wasteful number, since it uses less digits than its factorization.

8705149073620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244065799 (or 5244065797 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 8705149073620 in words is "eight trillion, seven hundred five billion, one hundred forty-nine million, seventy-three thousand, six hundred twenty".