488857397 has 4 divisors (see below), whose sum is σ = 558694176. Its totient is φ = 419020620.

The previous prime is 488857373. The next prime is 488857409. The reversal of 488857397 is 793758884.

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 not a de Polignac number, because 488857397 - 2⁶ = 488857333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488857297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34918379 + ... + 34918392.

It is an arithmetic number, because the mean of its divisors is an integer number (139673544).

Almost surely, 2^488857397 is an apocalyptic number.

It is an amenable number.

488857397 is a deficient number, since it is larger than the sum of its proper divisors (69836779).

488857397 is an equidigital number, since it uses as much as digits as its factorization.

488857397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69836778.

The product of its digits is 13547520, while the sum is 59.

The square root of 488857397 is about 22110.1197871020. The cubic root of 488857397 is about 787.7602516667.

The spelling of 488857397 in words is "four hundred eighty-eight million, eight hundred fifty-seven thousand, three hundred ninety-seven".