478980736 has 32 divisors (see below), whose sum is σ = 1027624500. Its totient is φ = 221067264.

The previous prime is 478980731. The next prime is 478980793. The reversal of 478980736 is 637089874.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 402243136 + 76737600 = 20056^2 + 8760^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478980731) 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 3 ways as a sum of consecutive naturals, for example, 142261 + ... + 145588.

Almost surely, 2^478980736 is an apocalyptic number.

It is an amenable number.

478980736 is an abundant number, since it is smaller than the sum of its proper divisors (548643764).

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

478980736 is a wasteful number, since it uses less digits than its factorization.

478980736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287876 (or 287864 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 478980736 is about 21885.6285265011. The cubic root of 478980736 is about 782.4189294283.

The spelling of 478980736 in words is "four hundred seventy-eight million, nine hundred eighty thousand, seven hundred thirty-six".