8234117478 has 32 divisors (see below), whose sum is σ = 18355799520. Its totient is φ = 2736041760.

The previous prime is 8234117477. The next prime is 8234117497. The reversal of 8234117478 is 8747114328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8234117477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223393 + ... + 257628.

It is an arithmetic number, because the mean of its divisors is an integer number (573618735).

Almost surely, 2^8234117478 is an apocalyptic number.

8234117478 is an abundant number, since it is smaller than the sum of its proper divisors (10121682042).

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

8234117478 is a wasteful number, since it uses less digits than its factorization.

8234117478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481349 (or 481343 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 8234117478 is about 90742.0380970143. The cubic root of 8234117478 is about 2019.3225089703.

The spelling of 8234117478 in words is "eight billion, two hundred thirty-four million, one hundred seventeen thousand, four hundred seventy-eight".