478109694 has 32 divisors (see below), whose sum is σ = 998936064. Its totient is φ = 152266400.

The previous prime is 478109657. The next prime is 478109699. The reversal of 478109694 is 496901874.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478109699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178207 + ... + 180869.

It is an arithmetic number, because the mean of its divisors is an integer number (31216752).

Almost surely, 2^478109694 is an apocalyptic number.

478109694 is an abundant number, since it is smaller than the sum of its proper divisors (520826370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478109694 is a wasteful number, since it uses less digits than its factorization.

478109694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 478109694 is about 21865.7196085562. The cubic root of 478109694 is about 781.9443569054.

The spelling of 478109694 in words is "four hundred seventy-eight million, one hundred nine thousand, six hundred ninety-four".