487779713 has 4 divisors (see below), whose sum is σ = 489368880. Its totient is φ = 486190548.

The previous prime is 487779709. The next prime is 487779731. The reversal of 487779713 is 317977784.

It is a happy number.

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 not a de Polignac number, because 487779713 - 2² = 487779709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487779703) 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, 794123 + ... + 794736.

It is an arithmetic number, because the mean of its divisors is an integer number (122342220).

Almost surely, 2^487779713 is an apocalyptic number.

It is an amenable number.

487779713 is a deficient number, since it is larger than the sum of its proper divisors (1589167).

487779713 is a wasteful number, since it uses less digits than its factorization.

487779713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589166.

The product of its digits is 2074464, while the sum is 53.

The square root of 487779713 is about 22085.7355095999. The cubic root of 487779713 is about 787.1809544253.

The spelling of 487779713 in words is "four hundred eighty-seven million, seven hundred seventy-nine thousand, seven hundred thirteen".