488778361 has 4 divisors (see below), whose sum is σ = 497062800. Its totient is φ = 480493924.

The previous prime is 488778347. The next prime is 488778371. The reversal of 488778361 is 163877884.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488778361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 488778299 and 488778308.

It is not an unprimeable number, because it can be changed into a prime (488778371) 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, 4142131 + ... + 4142248.

It is an arithmetic number, because the mean of its divisors is an integer number (124265700).

Almost surely, 2^488778361 is an apocalyptic number.

It is an amenable number.

488778361 is a deficient number, since it is larger than the sum of its proper divisors (8284439).

488778361 is an equidigital number, since it uses as much as digits as its factorization.

488778361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8284438.

The product of its digits is 1806336, while the sum is 52.

The square root of 488778361 is about 22108.3323884910. The cubic root of 488778361 is about 787.7177956763.

The spelling of 488778361 in words is "four hundred eighty-eight million, seven hundred seventy-eight thousand, three hundred sixty-one".