478258385181 has 16 divisors (see below), whose sum is σ = 653059584000. Its totient is φ = 311185849328.

The previous prime is 478258385147. The next prime is 478258385261. The reversal of 478258385181 is 181583852874.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 478258385181 - 2⁶ = 478258385117 is a prime.

It is a super-2 number, since 2×478258385181² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478258385081) 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 15 ways as a sum of consecutive naturals, for example, 4673481 + ... + 4774718.

It is an arithmetic number, because the mean of its divisors is an integer number (40816224000).

Almost surely, 2^478258385181 is an apocalyptic number.

It is an amenable number.

478258385181 is a deficient number, since it is larger than the sum of its proper divisors (174801198819).

478258385181 is a wasteful number, since it uses less digits than its factorization.

478258385181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9448608.

The product of its digits is 17203200, while the sum is 60.

The spelling of 478258385181 in words is "four hundred seventy-eight billion, two hundred fifty-eight million, three hundred eighty-five thousand, one hundred eighty-one".