8172137504 has 24 divisors (see below), whose sum is σ = 16282743120. Its totient is φ = 4036837696.

The previous prime is 8172137489. The next prime is 8172137539. The reversal of 8172137504 is 4057312718.

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, 1535774 + ... + 1541085.

It is an arithmetic number, because the mean of its divisors is an integer number (678447630).

Almost surely, 2^8172137504 is an apocalyptic number.

It is an amenable number.

8172137504 is a deficient number, since it is larger than the sum of its proper divisors (8110605616).

8172137504 is a wasteful number, since it uses less digits than its factorization.

8172137504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076952 (or 3076944 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 8172137504 is about 90399.8755751356. The cubic root of 8172137504 is about 2014.2431180072.

The spelling of 8172137504 in words is "eight billion, one hundred seventy-two million, one hundred thirty-seven thousand, five hundred four".