478806785 has 16 divisors (see below), whose sum is σ = 609037056. Its totient is φ = 360115968.

The previous prime is 478806697. The next prime is 478806833. The reversal of 478806785 is 587608874.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 478806785 - 2²⁴ = 462029569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91202 + ... + 96308.

It is an arithmetic number, because the mean of its divisors is an integer number (38064816).

Almost surely, 2^478806785 is an apocalyptic number.

It is an amenable number.

478806785 is a deficient number, since it is larger than the sum of its proper divisors (130230271).

478806785 is a wasteful number, since it uses less digits than its factorization.

478806785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232.

The product of its (nonzero) digits is 3010560, while the sum is 53.

The square root of 478806785 is about 21881.6540736755. The cubic root of 478806785 is about 782.3242011686.

The spelling of 478806785 in words is "four hundred seventy-eight million, eight hundred six thousand, seven hundred eighty-five".