543972878 has 4 divisors (see below), whose sum is σ = 815959320. Its totient is φ = 271986438.

The previous prime is 543972809. The next prime is 543972901. The reversal of 543972878 is 878279345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 878279345 = 5 ⋅175655869.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135993218 + ... + 135993221.

It is an arithmetic number, because the mean of its divisors is an integer number (203989830).

Almost surely, 2^543972878 is an apocalyptic number.

543972878 is a deficient number, since it is larger than the sum of its proper divisors (271986442).

543972878 is a wasteful number, since it uses less digits than its factorization.

543972878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271986441.

The product of its digits is 3386880, while the sum is 53.

The square root of 543972878 is about 23323.2261490558. The cubic root of 543972878 is about 816.3174536568.

It can be divided in two parts, 54397 and 2878, that added together give a palindrome (57275).

The spelling of 543972878 in words is "five hundred forty-three million, nine hundred seventy-two thousand, eight hundred seventy-eight".