538116478 has 8 divisors (see below), whose sum is σ = 808243272. Its totient is φ = 268702056.

The previous prime is 538116451. The next prime is 538116503. The reversal of 538116478 is 874611835.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176200 + ... + 179227.

It is an arithmetic number, because the mean of its divisors is an integer number (101030409).

Almost surely, 2^538116478 is an apocalyptic number.

538116478 is a deficient number, since it is larger than the sum of its proper divisors (270126794).

538116478 is a wasteful number, since it uses less digits than its factorization.

538116478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356186.

The product of its digits is 161280, while the sum is 43.

The square root of 538116478 is about 23197.3377351799. The cubic root of 538116478 is about 813.3773921682.

The spelling of 538116478 in words is "five hundred thirty-eight million, one hundred sixteen thousand, four hundred seventy-eight".