438830075854 has 4 divisors (see below), whose sum is σ = 658245113784. Its totient is φ = 219415037926.

The previous prime is 438830075777. The next prime is 438830075857. The reversal of 438830075854 is 458570038834.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 438830075795 and 438830075804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438830075857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109707518962 + ... + 109707518965.

It is an arithmetic number, because the mean of its divisors is an integer number (164561278446).

Almost surely, 2^438830075854 is an apocalyptic number.

438830075854 is a deficient number, since it is larger than the sum of its proper divisors (219415037930).

438830075854 is a wasteful number, since it uses less digits than its factorization.

438830075854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219415037929.

The product of its (nonzero) digits is 12902400, while the sum is 55.

The spelling of 438830075854 in words is "four hundred thirty-eight billion, eight hundred thirty million, seventy-five thousand, eight hundred fifty-four".