487618879 has 4 divisors (see below), whose sum is σ = 531947880. Its totient is φ = 443289880.

The previous prime is 487618877. The next prime is 487618897. The reversal of 487618879 is 978816784.

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

It is not a de Polignac number, because 487618879 - 2¹ = 487618877 is a prime.

It is a super-3 number, since 3×487618879³ (a number of 27 digits) contains 333 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 (487618877) 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, 22164484 + ... + 22164505.

It is an arithmetic number, because the mean of its divisors is an integer number (132986970).

Almost surely, 2^487618879 is an apocalyptic number.

487618879 is a deficient number, since it is larger than the sum of its proper divisors (44329001).

487618879 is a wasteful number, since it uses less digits than its factorization.

487618879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44329000.

The product of its digits is 5419008, while the sum is 58.

The square root of 487618879 is about 22082.0940809517. The cubic root of 487618879 is about 787.0944267190.

The spelling of 487618879 in words is "four hundred eighty-seven million, six hundred eighteen thousand, eight hundred seventy-nine".