478840786486 has 16 divisors (see below), whose sum is σ = 744977355120. Its totient is φ = 230643136800.

The previous prime is 478840786477. The next prime is 478840786507. The reversal of 478840786486 is 684687048874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32026296 + ... + 32041243.

It is an arithmetic number, because the mean of its divisors is an integer number (46561084695).

Almost surely, 2^478840786486 is an apocalyptic number.

478840786486 is a deficient number, since it is larger than the sum of its proper divisors (266136568634).

478840786486 is a wasteful number, since it uses less digits than its factorization.

478840786486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64067679.

The product of its (nonzero) digits is 462422016, while the sum is 70.

The spelling of 478840786486 in words is "four hundred seventy-eight billion, eight hundred forty million, seven hundred eighty-six thousand, four hundred eighty-six".