488807881 has 3 divisors (see below), whose sum is σ = 488829991. Its totient is φ = 488785772.

The previous prime is 488807843. The next prime is 488807897. The reversal of 488807881 is 188708884.

It is a happy number.

The square root of 488807881 is 22109.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 58660281 + 430147600 = 7659^2 + 20740^2 .

It is not a de Polignac number, because 488807881 - 2¹¹ = 488805833 is a prime.

It is a super-2 number, since 2×488807881² = 477866289055420322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488807581) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11055 + ... + 33163.

Almost surely, 2^488807881 is an apocalyptic number.

488807881 is the 22109-th square number.

488807881 is the 11055-th centered octagonal number.

It is an amenable number.

488807881 is a deficient number, since it is larger than the sum of its proper divisors (22110).

488807881 is an frugal number, since it uses more digits than its factorization.

488807881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44218 (or 22109 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 52.

The cubic root of 488807881 is about 787.7336535531.

The spelling of 488807881 in words is "four hundred eighty-eight million, eight hundred seven thousand, eight hundred eighty-one".