8121474179 has 48 divisors (see below), whose sum is σ = 10648205568. Its totient is φ = 6128071488.

The previous prime is 8121474173. The next prime is 8121474187. The reversal of 8121474179 is 9714741218.

It is not a de Polignac number, because 8121474179 - 2¹⁶ = 8121408643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8121474173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6841424 + ... + 6842610.

It is an arithmetic number, because the mean of its divisors is an integer number (221837616).

Almost surely, 2^8121474179 is an apocalyptic number.

8121474179 is a deficient number, since it is larger than the sum of its proper divisors (2526731389).

8121474179 is a wasteful number, since it uses less digits than its factorization.

8121474179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1697 counting only the distinct ones).

The product of its digits is 112896, while the sum is 44.

The square root of 8121474179 is about 90119.2220283775. Note that the first 3 decimals coincide. The cubic root of 8121474179 is about 2010.0720401067.

The spelling of 8121474179 in words is "eight billion, one hundred twenty-one million, four hundred seventy-four thousand, one hundred seventy-nine".