8385967556 has 24 divisors (see below), whose sum is σ = 14711153184. Its totient is φ = 4182796800.

The previous prime is 8385967517. The next prime is 8385967561. The reversal of 8385967556 is 6557695838.

It is a super-2 number, since 2×8385967556² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5237156 + ... + 5238756.

It is an arithmetic number, because the mean of its divisors is an integer number (612964716).

Almost surely, 2^8385967556 is an apocalyptic number.

It is an amenable number.

8385967556 is a deficient number, since it is larger than the sum of its proper divisors (6325185628).

8385967556 is a wasteful number, since it uses less digits than its factorization.

8385967556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971 (or 3969 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 62.

The square root of 8385967556 is about 91574.9286431608. The cubic root of 8385967556 is about 2031.6601363023.

The spelling of 8385967556 in words is "eight billion, three hundred eighty-five million, nine hundred sixty-seven thousand, five hundred fifty-six".