43231385878 has 8 divisors (see below), whose sum is σ = 66070608768. Its totient is φ = 21207849624.

The previous prime is 43231385863. The next prime is 43231385903. The reversal of 43231385878 is 87858313234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203921526 + ... + 203921737.

It is an arithmetic number, because the mean of its divisors is an integer number (8258826096).

Almost surely, 2^43231385878 is an apocalyptic number.

43231385878 is a deficient number, since it is larger than the sum of its proper divisors (22839222890).

43231385878 is a wasteful number, since it uses less digits than its factorization.

43231385878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407843318.

The product of its digits is 3870720, while the sum is 52.

The spelling of 43231385878 in words is "forty-three billion, two hundred thirty-one million, three hundred eighty-five thousand, eight hundred seventy-eight".