847489487 has 8 divisors (see below), whose sum is σ = 952363104. Its totient is φ = 748284768.

The previous prime is 847489483. The next prime is 847489519. The reversal of 847489487 is 784984748.

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 847489487 - 2² = 847489483 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 (847489481) 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, 1416908 + ... + 1417505.

It is an arithmetic number, because the mean of its divisors is an integer number (119045388).

Almost surely, 2^847489487 is an apocalyptic number.

847489487 is a deficient number, since it is larger than the sum of its proper divisors (104873617).

847489487 is a wasteful number, since it uses less digits than its factorization.

847489487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834449.

The product of its digits is 14450688, while the sum is 59.

The square root of 847489487 is about 29111.6726932686. The cubic root of 847489487 is about 946.3347178224.

The spelling of 847489487 in words is "eight hundred forty-seven million, four hundred eighty-nine thousand, four hundred eighty-seven".