478657590031 has 8 divisors (see below), whose sum is σ = 503555619600. Its totient is φ = 454319066880.

The previous prime is 478657590029. The next prime is 478657590043. The reversal of 478657590031 is 130095756874.

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

It is not a de Polignac number, because 478657590031 - 2¹ = 478657590029 is a prime.

It is a super-2 number, since 2×478657590031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478657590001) 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, 139874850 + ... + 139878271.

It is an arithmetic number, because the mean of its divisors is an integer number (62944452450).

Almost surely, 2^478657590031 is an apocalyptic number.

478657590031 is a deficient number, since it is larger than the sum of its proper divisors (24898029569).

478657590031 is a wasteful number, since it uses less digits than its factorization.

478657590031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279753209.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 478657590031 in words is "four hundred seventy-eight billion, six hundred fifty-seven million, five hundred ninety thousand, thirty-one".