478696500 has 192 divisors, whose sum is σ = 1577721600. Its totient is φ = 125280000.

The previous prime is 478696409. The next prime is 478696501. The reversal of 478696500 is 5696874.

It is a super-2 number, since 2×478696500² = 458300678224500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478696501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 796200 + ... + 796800.

It is an arithmetic number, because the mean of its divisors is an integer number (8217300).

Almost surely, 2^478696500 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 478696500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788860800).

478696500 is an abundant number, since it is smaller than the sum of its proper divisors (1099025100).

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

478696500 is a wasteful number, since it uses less digits than its factorization.

478696500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 478696500 is about 21879.1338951065. The cubic root of 478696500 is about 782.2641315314.

The spelling of 478696500 in words is "four hundred seventy-eight million, six hundred ninety-six thousand, five hundred".