7685143172 has 24 divisors (see below), whose sum is σ = 15391469184. Its totient is φ = 3289093632.

The previous prime is 7685143099. The next prime is 7685143183. The reversal of 7685143172 is 2713415867.

It is a super-2 number, since 2×7685143172² (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, 168413 + ... + 209124.

It is an arithmetic number, because the mean of its divisors is an integer number (641311216).

Almost surely, 2^7685143172 is an apocalyptic number.

It is an amenable number.

7685143172 is an abundant number, since it is smaller than the sum of its proper divisors (7706326012).

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

7685143172 is a wasteful number, since it uses less digits than its factorization.

7685143172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378275 (or 378273 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 7685143172 is about 87664.9483659233. The cubic root of 7685143172 is about 1973.4099831617.

The spelling of 7685143172 in words is "seven billion, six hundred eighty-five million, one hundred forty-three thousand, one hundred seventy-two".