8172004938 has 32 divisors (see below), whose sum is σ = 16463548032. Its totient is φ = 2704104000.

The previous prime is 8172004901. The next prime is 8172004943. The reversal of 8172004938 is 8394002718.

It is a self number, because there is not a number n which added to its sum of digits gives 8172004938.

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, 2119020 + ... + 2122872.

It is an arithmetic number, because the mean of its divisors is an integer number (514485876).

Almost surely, 2^8172004938 is an apocalyptic number.

8172004938 is an abundant number, since it is smaller than the sum of its proper divisors (8291543094).

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

8172004938 is a wasteful number, since it uses less digits than its factorization.

8172004938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6350.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 8172004938 is about 90399.1423521263. The cubic root of 8172004938 is about 2014.2322264627.

The spelling of 8172004938 in words is "eight billion, one hundred seventy-two million, four thousand, nine hundred thirty-eight".