488780721 has 96 divisors (see below), whose sum is σ = 869581440. Its totient is φ = 260582400.

The previous prime is 488780717. The next prime is 488780723. The reversal of 488780721 is 127087884.

It is not a de Polignac number, because 488780721 - 2² = 488780717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (488780723) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3113175 + ... + 3113331.

It is an arithmetic number, because the mean of its divisors is an integer number (9058140).

Almost surely, 2^488780721 is an apocalyptic number.

488780721 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

488780721 is a deficient number, since it is larger than the sum of its proper divisors (380800719).

488780721 is a wasteful number, since it uses less digits than its factorization.

488780721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The square root of 488780721 is about 22108.3857619682. The cubic root of 488780721 is about 787.7190634704.

The spelling of 488780721 in words is "four hundred eighty-eight million, seven hundred eighty thousand, seven hundred twenty-one".