478611527 has 4 divisors (see below), whose sum is σ = 478710456. Its totient is φ = 478512600.

The previous prime is 478611509. The next prime is 478611541. The reversal of 478611527 is 725116874.

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

It is a cyclic number.

It is not a de Polignac number, because 478611527 - 2²⁰ = 477562951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478611827) 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, 41813 + ... + 52014.

It is an arithmetic number, because the mean of its divisors is an integer number (119677614).

Almost surely, 2^478611527 is an apocalyptic number.

478611527 is a deficient number, since it is larger than the sum of its proper divisors (98929).

478611527 is an equidigital number, since it uses as much as digits as its factorization.

478611527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98928.

The product of its digits is 94080, while the sum is 41.

The square root of 478611527 is about 21877.1919358952. The cubic root of 478611527 is about 782.2178424501.

The spelling of 478611527 in words is "four hundred seventy-eight million, six hundred eleven thousand, five hundred twenty-seven".