480637821 has 16 divisors (see below), whose sum is σ = 683736768. Its totient is φ = 299270400.

The previous prime is 480637819. The next prime is 480637823. The reversal of 480637821 is 128736084.

It is an interprime number because it is at equal distance from previous prime (480637819) and next prime (480637823).

It is not a de Polignac number, because 480637821 - 2¹ = 480637819 is a prime.

It is a super-3 number, since 3×480637821³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 480637821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480637823) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29290 + ... + 42651.

It is an arithmetic number, because the mean of its divisors is an integer number (42733548).

Almost surely, 2^480637821 is an apocalyptic number.

It is an amenable number.

480637821 is a deficient number, since it is larger than the sum of its proper divisors (203098947).

480637821 is a wasteful number, since it uses less digits than its factorization.

480637821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72092.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 480637821 is about 21923.4536740907. The cubic root of 480637821 is about 783.3201781806.

The spelling of 480637821 in words is "four hundred eighty million, six hundred thirty-seven thousand, eight hundred twenty-one".