478039315 has 12 divisors (see below), whose sum is σ = 621169344. Its totient is φ = 353013024.

The previous prime is 478039301. The next prime is 478039319. The reversal of 478039315 is 513930874.

It is not a de Polignac number, because 478039315 - 2⁵ = 478039283 is a prime.

It is a super-4 number, since 4×478039315⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478039319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282019 + ... + 283708.

It is an arithmetic number, because the mean of its divisors is an integer number (51764112).

Almost surely, 2^478039315 is an apocalyptic number.

478039315 is a deficient number, since it is larger than the sum of its proper divisors (143130029).

478039315 is a wasteful number, since it uses less digits than its factorization.

478039315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565758 (or 565745 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 478039315 is about 21864.1102037106. The cubic root of 478039315 is about 781.9059869364.

The spelling of 478039315 in words is "four hundred seventy-eight million, thirty-nine thousand, three hundred fifteen".