3315720687 has 24 divisors (see below), whose sum is σ = 4645200000. Its totient is φ = 2103547248.

The previous prime is 3315720679. The next prime is 3315720731. The reversal of 3315720687 is 7860275133.

It is not a de Polignac number, because 3315720687 - 2³ = 3315720679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3315720607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310564 + ... + 321062.

It is an arithmetic number, because the mean of its divisors is an integer number (193550000).

Almost surely, 2^3315720687 is an apocalyptic number.

3315720687 is a deficient number, since it is larger than the sum of its proper divisors (1329479313).

3315720687 is a wasteful number, since it uses less digits than its factorization.

3315720687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10747 (or 10724 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 3315720687 is about 57582.2949091125. The cubic root of 3315720687 is about 1491.1659547875.

The spelling of 3315720687 in words is "three billion, three hundred fifteen million, seven hundred twenty thousand, six hundred eighty-seven".