488564761 has 4 divisors (see below), whose sum is σ = 501769252. Its totient is φ = 475360272.

The previous prime is 488564729. The next prime is 488564767. The reversal of 488564761 is 167465884.

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 422549136 + 66015625 = 20556^2 + 8125^2 .

It is a cyclic number.

It is not a de Polignac number, because 488564761 - 2⁵ = 488564729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488564767) 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, 6602190 + ... + 6602263.

It is an arithmetic number, because the mean of its divisors is an integer number (125442313).

Almost surely, 2^488564761 is an apocalyptic number.

It is an amenable number.

488564761 is a deficient number, since it is larger than the sum of its proper divisors (13204491).

488564761 is a wasteful number, since it uses less digits than its factorization.

488564761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13204490.

The product of its digits is 1290240, while the sum is 49.

The square root of 488564761 is about 22103.5011027665. The cubic root of 488564761 is about 787.6030326600.

The spelling of 488564761 in words is "four hundred eighty-eight million, five hundred sixty-four thousand, seven hundred sixty-one".