478538862 has 16 divisors (see below), whose sum is σ = 959048832. Its totient is φ = 159184440.

The previous prime is 478538861. The next prime is 478538891. The reversal of 478538862 is 268835874.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478538861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78964 + ... + 84807.

It is an arithmetic number, because the mean of its divisors is an integer number (59940552).

Almost surely, 2^478538862 is an apocalyptic number.

478538862 is an abundant number, since it is smaller than the sum of its proper divisors (480509970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478538862 is a wasteful number, since it uses less digits than its factorization.

478538862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164263.

The product of its digits is 2580480, while the sum is 51.

The square root of 478538862 is about 21875.5311249807. The cubic root of 478538862 is about 782.1782538115.

The spelling of 478538862 in words is "four hundred seventy-eight million, five hundred thirty-eight thousand, eight hundred sixty-two".