488991279 has 8 divisors (see below), whose sum is σ = 745129600. Its totient is φ = 279423576.

The previous prime is 488991221. The next prime is 488991287. The reversal of 488991279 is 972199884.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 488991279 - 2²⁰ = 487942703 is a prime.

It is a super-2 number, since 2×488991279² = 478224941876111682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488991479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11642629 + ... + 11642670.

It is an arithmetic number, because the mean of its divisors is an integer number (93141200).

Almost surely, 2^488991279 is an apocalyptic number.

488991279 is a deficient number, since it is larger than the sum of its proper divisors (256138321).

488991279 is a wasteful number, since it uses less digits than its factorization.

488991279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23285309.

The product of its digits is 2612736, while the sum is 57.

The square root of 488991279 is about 22113.1471979906. The cubic root of 488991279 is about 787.8321589974.

The spelling of 488991279 in words is "four hundred eighty-eight million, nine hundred ninety-one thousand, two hundred seventy-nine".