8470847861540 has 48 divisors (see below), whose sum is σ = 17995309920000. Its totient is φ = 3349028381952.

The previous prime is 8470847861503. The next prime is 8470847861561. The reversal of 8470847861540 is 451687480748.

It is a super-2 number, since 2×8470847861540² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3939461 + ... + 5697459.

It is an arithmetic number, because the mean of its divisors is an integer number (374902290000).

Almost surely, 2^{8470847861540} is an apocalyptic number.

It is an amenable number.

8470847861540 is an abundant number, since it is smaller than the sum of its proper divisors (9524462058460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8470847861540 is a wasteful number, since it uses less digits than its factorization.

8470847861540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760804 (or 1760802 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 62.

The spelling of 8470847861540 in words is "eight trillion, four hundred seventy billion, eight hundred forty-seven million, eight hundred sixty-one thousand, five hundred forty".