478135627 has 4 divisors (see below), whose sum is σ = 503300680. Its totient is φ = 452970576.

The previous prime is 478135607. The next prime is 478135639. The reversal of 478135627 is 726531874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478135627 is a prime.

It is a super-2 number, since 2×478135627² = 457227355613366258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478135607) 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, 12582498 + ... + 12582535.

It is an arithmetic number, because the mean of its divisors is an integer number (125825170).

Almost surely, 2^478135627 is an apocalyptic number.

478135627 is a deficient number, since it is larger than the sum of its proper divisors (25165053).

478135627 is a wasteful number, since it uses less digits than its factorization.

478135627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25165052.

The product of its digits is 282240, while the sum is 43.

The square root of 478135627 is about 21866.3126063815. The cubic root of 478135627 is about 781.9584943837.

The spelling of 478135627 in words is "four hundred seventy-eight million, one hundred thirty-five thousand, six hundred twenty-seven".