478137208375 has 8 divisors (see below), whose sum is σ = 596715236208. Its totient is φ = 382509766600.

The previous prime is 478137208349. The next prime is 478137208403. The reversal of 478137208375 is 573802731874.

It is not a de Polignac number, because 478137208375 - 2⁵ = 478137208343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1912548709 + ... + 1912548958.

It is an arithmetic number, because the mean of its divisors is an integer number (74589404526).

Almost surely, 2^478137208375 is an apocalyptic number.

478137208375 is a deficient number, since it is larger than the sum of its proper divisors (118578027833).

478137208375 is an equidigital number, since it uses as much as digits as its factorization.

478137208375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825097682 (or 3825097672 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 478137208375 in words is "four hundred seventy-eight billion, one hundred thirty-seven million, two hundred eight thousand, three hundred seventy-five".