8685105515672 has 32 divisors (see below), whose sum is σ = 16335087350400. Its totient is φ = 4329085684224.

The previous prime is 8685105515663. The next prime is 8685105515683. The reversal of 8685105515672 is 2765155015868.

It is a super-3 number, since 3×8685105515672³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 20231354 + ... + 20656182.

It is an arithmetic number, because the mean of its divisors is an integer number (510471479700).

Almost surely, 2^{8685105515672} is an apocalyptic number.

It is an amenable number.

8685105515672 is a deficient number, since it is larger than the sum of its proper divisors (7649981834728).

8685105515672 is a wasteful number, since it uses less digits than its factorization.

8685105515672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432755 (or 432751 counting only the distinct ones).

The product of its (nonzero) digits is 20160000, while the sum is 59.

The spelling of 8685105515672 in words is "eight trillion, six hundred eighty-five billion, one hundred five million, five hundred fifteen thousand, six hundred seventy-two".