486986881 has 4 divisors (see below), whose sum is σ = 497348352. Its totient is φ = 476625412.

The previous prime is 486986833. The next prime is 486986921. The reversal of 486986881 is 188689684.

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-486986881 is a prime.

It is a super-2 number, since 2×486986881² = 474312444532216322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (486986281) 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, 5180665 + ... + 5180758.

It is an arithmetic number, because the mean of its divisors is an integer number (124337088).

Almost surely, 2^486986881 is an apocalyptic number.

It is an amenable number.

486986881 is a deficient number, since it is larger than the sum of its proper divisors (10361471).

486986881 is a wasteful number, since it uses less digits than its factorization.

486986881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361470.

The product of its digits is 5308416, while the sum is 58.

The square root of 486986881 is about 22067.7792493944. The cubic root of 486986881 is about 786.7542312714.

The spelling of 486986881 in words is "four hundred eighty-six million, nine hundred eighty-six thousand, eight hundred eighty-one".