508378478 has 8 divisors (see below), whose sum is σ = 802702920. Its totient is φ = 240810840.

The previous prime is 508378477. The next prime is 508378537. The reversal of 508378478 is 874873805.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508378477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6689153 + ... + 6689228.

It is an arithmetic number, because the mean of its divisors is an integer number (100337865).

Almost surely, 2^508378478 is an apocalyptic number.

508378478 is a deficient number, since it is larger than the sum of its proper divisors (294324442).

508378478 is a wasteful number, since it uses less digits than its factorization.

508378478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13378402.

The product of its (nonzero) digits is 1505280, while the sum is 50.

The square root of 508378478 is about 22547.2498988236. The cubic root of 508378478 is about 798.1093258340.

The spelling of 508378478 in words is "five hundred eight million, three hundred seventy-eight thousand, four hundred seventy-eight".