478744008787 has 8 divisors (see below), whose sum is σ = 522399571632. Its totient is φ = 435110676000.

The previous prime is 478744008761. The next prime is 478744008797. The reversal of 478744008787 is 787800447874.

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

It is not a de Polignac number, because 478744008787 - 2¹⁵ = 478743976019 is a prime.

It is a super-2 number, since 2×478744008787² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478744008707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5512464 + ... + 5598637.

It is an arithmetic number, because the mean of its divisors is an integer number (65299946454).

Almost surely, 2^478744008787 is an apocalyptic number.

478744008787 is a deficient number, since it is larger than the sum of its proper divisors (43655562845).

478744008787 is a wasteful number, since it uses less digits than its factorization.

478744008787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11115029.

The product of its (nonzero) digits is 78675968, while the sum is 64.

The spelling of 478744008787 in words is "four hundred seventy-eight billion, seven hundred forty-four million, eight thousand, seven hundred eighty-seven".