478007739987 has 8 divisors (see below), whose sum is σ = 644504818320. Its totient is φ = 315091244160.

The previous prime is 478007739961. The next prime is 478007740003. The reversal of 478007739987 is 789937700874.

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

It is not a de Polignac number, because 478007739987 - 2⁸ = 478007739731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478007734987) 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 7 ways as a sum of consecutive naturals, for example, 895145314 + ... + 895145847.

It is an arithmetic number, because the mean of its divisors is an integer number (80563102290).

Almost surely, 2^478007739987 is an apocalyptic number.

478007739987 is a deficient number, since it is larger than the sum of its proper divisors (166497078333).

478007739987 is a wasteful number, since it uses less digits than its factorization.

478007739987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790291253.

The product of its (nonzero) digits is 149361408, while the sum is 69.

The spelling of 478007739987 in words is "four hundred seventy-eight billion, seven million, seven hundred thirty-nine thousand, nine hundred eighty-seven".