478625671854 has 48 divisors (see below), whose sum is σ = 1157606296704. Its totient is φ = 141665101200.

The previous prime is 478625671847. The next prime is 478625671861. The reversal of 478625671854 is 458176526874.

478625671854 is a `hidden beast` number, since 4 + 7 + 8 + 6 + 2 + 567 + 18 + 54 = 666.

It is an interprime number because it is at equal distance from previous prime (478625671847) and next prime (478625671861).

It is a junction number, because it is equal to n+sod(n) for n = 478625671791 and 478625671800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28099642 + ... + 28116669.

It is an arithmetic number, because the mean of its divisors is an integer number (24116797848).

Almost surely, 2^478625671854 is an apocalyptic number.

478625671854 is an abundant number, since it is smaller than the sum of its proper divisors (678980624850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478625671854 is a wasteful number, since it uses less digits than its factorization.

478625671854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56216373 (or 56216370 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 63.

The spelling of 478625671854 in words is "four hundred seventy-eight billion, six hundred twenty-five million, six hundred seventy-one thousand, eight hundred fifty-four".