478135262 has 8 divisors (see below), whose sum is σ = 782403192. Its totient is φ = 217334200.

The previous prime is 478135261. The next prime is 478135279. The reversal of 478135262 is 262531874.

It is a happy number.

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

It is a super-2 number, since 2×478135262² = 457226657535617288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478135261) 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, 10866689 + ... + 10866732.

It is an arithmetic number, because the mean of its divisors is an integer number (97800399).

Almost surely, 2^478135262 is an apocalyptic number.

478135262 is a deficient number, since it is larger than the sum of its proper divisors (304267930).

478135262 is a wasteful number, since it uses less digits than its factorization.

478135262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21733434.

The product of its digits is 80640, while the sum is 38.

The square root of 478135262 is about 21866.3042602082. The cubic root of 478135262 is about 781.9582954061.

The spelling of 478135262 in words is "four hundred seventy-eight million, one hundred thirty-five thousand, two hundred sixty-two".