488868261 has 16 divisors (see below), whose sum is σ = 745586688. Its totient is φ = 279111600.

The previous prime is 488868253. The next prime is 488868301. The reversal of 488868261 is 162868884.

It is not a de Polignac number, because 488868261 - 2³ = 488868253 is a prime.

It is a super-2 number, since 2×488868261² = 477984353226328242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488868361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16396 + ... + 35306.

It is an arithmetic number, because the mean of its divisors is an integer number (46599168).

Almost surely, 2^488868261 is an apocalyptic number.

It is an amenable number.

488868261 is a deficient number, since it is larger than the sum of its proper divisors (256718427).

488868261 is a wasteful number, since it uses less digits than its factorization.

488868261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20152.

The product of its digits is 1179648, while the sum is 51.

The square root of 488868261 is about 22110.3654650935. The cubic root of 488868261 is about 787.7660871544.

The spelling of 488868261 in words is "four hundred eighty-eight million, eight hundred sixty-eight thousand, two hundred sixty-one".