8543354478 has 16 divisors (see below), whose sum is σ = 17087621376. Its totient is φ = 2847632760.

The previous prime is 8543354473. The next prime is 8543354489. The reversal of 8543354478 is 8744533458.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8543354478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8543354473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179025 + ... + 221667.

It is an arithmetic number, because the mean of its divisors is an integer number (1067976336).

Almost surely, 2^8543354478 is an apocalyptic number.

8543354478 is an abundant number, since it is smaller than the sum of its proper divisors (8544266898).

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

8543354478 is a wasteful number, since it uses less digits than its factorization.

8543354478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76039.

The product of its digits is 6451200, while the sum is 51.

The square root of 8543354478 is about 92430.2681917563. The cubic root of 8543354478 is about 2044.2914336300.

The spelling of 8543354478 in words is "eight billion, five hundred forty-three million, three hundred fifty-four thousand, four hundred seventy-eight".