478837617 has 8 divisors (see below), whose sum is σ = 648916800. Its totient is φ = 313991760.

The previous prime is 478837607. The next prime is 478837633. The reversal of 478837617 is 716738874.

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

It is not a de Polignac number, because 478837617 - 2⁶ = 478837553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478837617.

It is not an unprimeable number, because it can be changed into a prime (478837607) 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, 1308117 + ... + 1308482.

It is an arithmetic number, because the mean of its divisors is an integer number (81114600).

Almost surely, 2^478837617 is an apocalyptic number.

It is an amenable number.

478837617 is a deficient number, since it is larger than the sum of its proper divisors (170079183).

478837617 is a wasteful number, since it uses less digits than its factorization.

478837617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616663.

The product of its digits is 1580544, while the sum is 51.

The square root of 478837617 is about 21882.3585794585. The cubic root of 478837617 is about 782.3409929817.

The spelling of 478837617 in words is "four hundred seventy-eight million, eight hundred thirty-seven thousand, six hundred seventeen".