478612461 has 8 divisors (see below), whose sum is σ = 638940064. Its totient is φ = 318679920.

The previous prime is 478612457. The next prime is 478612471. The reversal of 478612461 is 164216874.

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

It is not a de Polignac number, because 478612461 - 2² = 478612457 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 (478612411) 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, 95926 + ... + 100791.

It is an arithmetic number, because the mean of its divisors is an integer number (79867508).

Almost surely, 2^478612461 is an apocalyptic number.

It is an amenable number.

478612461 is a deficient number, since it is larger than the sum of its proper divisors (160327603).

478612461 is a wasteful number, since it uses less digits than its factorization.

478612461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197531.

The product of its digits is 64512, while the sum is 39.

The square root of 478612461 is about 21877.2132823173. The cubic root of 478612461 is about 782.2183512769.

The spelling of 478612461 in words is "four hundred seventy-eight million, six hundred twelve thousand, four hundred sixty-one".