8539256164 has 12 divisors (see below), whose sum is σ = 14982718464. Its totient is φ = 4258479464.

The previous prime is 8539256153. The next prime is 8539256171. The reversal of 8539256164 is 4616529358.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2785432 + ... + 2788495.

It is an arithmetic number, because the mean of its divisors is an integer number (1248559872).

Almost surely, 2^8539256164 is an apocalyptic number.

It is an amenable number.

8539256164 is a deficient number, since it is larger than the sum of its proper divisors (6443462300).

8539256164 is a wasteful number, since it uses less digits than its factorization.

8539256164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574314 (or 5574312 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 49.

The square root of 8539256164 is about 92408.0957708793. The cubic root of 8539256164 is about 2043.9644938130.

The spelling of 8539256164 in words is "eight billion, five hundred thirty-nine million, two hundred fifty-six thousand, one hundred sixty-four".