6289479887 has 8 divisors (see below), whose sum is σ = 6424801536. Its totient is φ = 6154220952.

The previous prime is 6289479877. The next prime is 6289479899. The reversal of 6289479887 is 7889749826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6289479887 - 2¹⁰ = 6289478863 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 (6289479877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226928 + ... + 253130.

It is an arithmetic number, because the mean of its divisors is an integer number (803100192).

Almost surely, 2^6289479887 is an apocalyptic number.

6289479887 is a deficient number, since it is larger than the sum of its proper divisors (135321649).

6289479887 is a wasteful number, since it uses less digits than its factorization.

6289479887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31357.

The product of its digits is 97542144, while the sum is 68.

The square root of 6289479887 is about 79306.2411604534. The cubic root of 6289479887 is about 1845.8861484953.

The spelling of 6289479887 in words is "six billion, two hundred eighty-nine million, four hundred seventy-nine thousand, eight hundred eighty-seven".