478704156 has 96 divisors (see below), whose sum is σ = 1357719552. Its totient is φ = 128148480.

The previous prime is 478704137. The next prime is 478704199. The reversal of 478704156 is 651407874.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386370 + ... + 387606.

It is an arithmetic number, because the mean of its divisors is an integer number (14142912).

Almost surely, 2^478704156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478704156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678859776).

478704156 is an abundant number, since it is smaller than the sum of its proper divisors (879015396).

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

478704156 is a wasteful number, since it uses less digits than its factorization.

478704156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 478704156 is about 21879.3088556289. The cubic root of 478704156 is about 782.2683018719.

The spelling of 478704156 in words is "four hundred seventy-eight million, seven hundred four thousand, one hundred fifty-six".