478777670 has 32 divisors (see below), whose sum is σ = 986084928. Its totient is φ = 163957248.

The previous prime is 478777667. The next prime is 478777679. The reversal of 478777670 is 76777874.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478777679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63122 + ... + 70298.

It is an arithmetic number, because the mean of its divisors is an integer number (30815154).

Almost surely, 2^478777670 is an apocalyptic number.

478777670 is an abundant number, since it is smaller than the sum of its proper divisors (507307258).

478777670 is a wasteful number, since it uses less digits than its factorization.

478777670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8144.

The product of its (nonzero) digits is 3226944, while the sum is 53.

The square root of 478777670 is about 21880.9887802174. The cubic root of 478777670 is about 782.3083438113.

The spelling of 478777670 in words is "four hundred seventy-eight million, seven hundred seventy-seven thousand, six hundred seventy".