480847708720721 has 4 divisors (see below), whose sum is σ = 509132868057252. Its totient is φ = 452562549384192.

The previous prime is 480847708720597. The next prime is 480847708720811. The reversal of 480847708720721 is 127027807748084.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208789899790096 + 272057808930625 = 14449564^2 + 16494175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-480847708720721 is a prime.

It is a super-3 number, since 3×480847708720721³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (480847708720921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14142579668240 + ... + 14142579668273.

It is an arithmetic number, because the mean of its divisors is an integer number (127283217014313).

Almost surely, 2^{480847708720721} is an apocalyptic number.

It is an amenable number.

480847708720721 is a deficient number, since it is larger than the sum of its proper divisors (28285159336531).

480847708720721 is a wasteful number, since it uses less digits than its factorization.

480847708720721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28285159336530.

The product of its (nonzero) digits is 78675968, while the sum is 65.

The spelling of 480847708720721 in words is "four hundred eighty trillion, eight hundred forty-seven billion, seven hundred eight million, seven hundred twenty thousand, seven hundred twenty-one".