479778886 has 16 divisors (see below), whose sum is σ = 734987520. Its totient is φ = 234836800.

The previous prime is 479778881. The next prime is 479778917. The reversal of 479778886 is 688877974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479778881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4635 + ... + 31321.

It is an arithmetic number, because the mean of its divisors is an integer number (45936720).

Almost surely, 2^479778886 is an apocalyptic number.

479778886 is a deficient number, since it is larger than the sum of its proper divisors (255208634).

479778886 is a wasteful number, since it uses less digits than its factorization.

479778886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26879.

The product of its digits is 37933056, while the sum is 64.

The square root of 479778886 is about 21903.8555053671. The cubic root of 479778886 is about 782.8532830954.

The spelling of 479778886 in words is "four hundred seventy-nine million, seven hundred seventy-eight thousand, eight hundred eighty-six".