9487415656 has 16 divisors (see below), whose sum is σ = 18402315300. Its totient is φ = 4580131584.

The previous prime is 9487415647. The next prime is 9487415657. The reversal of 9487415656 is 6565147849.

It can be written as a sum of positive squares in 2 ways, for example, as 8528522500 + 958893156 = 92350^2 + 30966^2 .

It is a super-2 number, since 2×9487415656² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9487415597 and 9487415606.

It is not an unprimeable number, because it can be changed into a prime (9487415657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20446785 + ... + 20447248.

Almost surely, 2^9487415656 is an apocalyptic number.

It is an amenable number.

9487415656 is a deficient number, since it is larger than the sum of its proper divisors (8914899644).

9487415656 is a wasteful number, since it uses less digits than its factorization.

9487415656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40894068 (or 40894064 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 55.

The square root of 9487415656 is about 97403.3657324017. The cubic root of 9487415656 is about 2116.9762023799.

The spelling of 9487415656 in words is "nine billion, four hundred eighty-seven million, four hundred fifteen thousand, six hundred fifty-six".