478206788 has 6 divisors (see below), whose sum is σ = 836861886. Its totient is φ = 239103392.

The previous prime is 478206769. The next prime is 478206793. The reversal of 478206788 is 887602874.

It can be written as a sum of positive squares in only one way, i.e., 475588864 + 2617924 = 21808^2 + 1618^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59775845 + ... + 59775852.

It is an arithmetic number, because the mean of its divisors is an integer number (139476981).

Almost surely, 2^478206788 is an apocalyptic number.

It is an amenable number.

478206788 is a deficient number, since it is larger than the sum of its proper divisors (358655098).

478206788 is a wasteful number, since it uses less digits than its factorization.

478206788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119551701 (or 119551699 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 50.

The square root of 478206788 is about 21867.9397292017. The cubic root of 478206788 is about 781.9972854610.

The spelling of 478206788 in words is "four hundred seventy-eight million, two hundred six thousand, seven hundred eighty-eight".