487184879 has 4 divisors (see below), whose sum is σ = 487315176. Its totient is φ = 487054584.

The previous prime is 487184869. The next prime is 487184881. The reversal of 487184879 is 978481784.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487184879 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 (487184869) 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, 59369 + ... + 67074.

It is an arithmetic number, because the mean of its divisors is an integer number (121828794).

Almost surely, 2^487184879 is an apocalyptic number.

487184879 is a deficient number, since it is larger than the sum of its proper divisors (130297).

487184879 is a wasteful number, since it uses less digits than its factorization.

487184879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130296.

The product of its digits is 3612672, while the sum is 56.

The square root of 487184879 is about 22072.2649268262. The cubic root of 487184879 is about 786.8608423962.

The spelling of 487184879 in words is "four hundred eighty-seven million, one hundred eighty-four thousand, eight hundred seventy-nine".