478704787 has 8 divisors (see below), whose sum is σ = 522389952. Its totient is φ = 435047400.

The previous prime is 478704763. The next prime is 478704817. The reversal of 478704787 is 787407874.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 478704787 - 2⁷ = 478704659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478707787) 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, 48112 + ... + 57202.

It is an arithmetic number, because the mean of its divisors is an integer number (65298744).

Almost surely, 2^478704787 is an apocalyptic number.

478704787 is a deficient number, since it is larger than the sum of its proper divisors (43685165).

478704787 is a wasteful number, since it uses less digits than its factorization.

478704787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13889.

The product of its (nonzero) digits is 2458624, while the sum is 52.

The square root of 478704787 is about 21879.3232756409. The cubic root of 478704787 is about 782.2686455853.

The spelling of 478704787 in words is "four hundred seventy-eight million, seven hundred four thousand, seven hundred eighty-seven".