478485799 has 4 divisors (see below), whose sum is σ = 521984520. Its totient is φ = 434987080.

The previous prime is 478485781. The next prime is 478485841. The reversal of 478485799 is 997584874.

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

It is not a de Polignac number, because 478485799 - 2⁷ = 478485671 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 (478485719) 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, 21749344 + ... + 21749365.

It is an arithmetic number, because the mean of its divisors is an integer number (130496130).

Almost surely, 2^478485799 is an apocalyptic number.

478485799 is a deficient number, since it is larger than the sum of its proper divisors (43498721).

478485799 is a wasteful number, since it uses less digits than its factorization.

478485799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43498720.

The product of its digits is 20321280, while the sum is 61.

The square root of 478485799 is about 21874.3182522336. The cubic root of 478485799 is about 782.1493420121.

The spelling of 478485799 in words is "four hundred seventy-eight million, four hundred eighty-five thousand, seven hundred ninety-nine".