8712375691 has 16 divisors (see below), whose sum is σ = 9497204640. Its totient is φ = 7965285120.

The previous prime is 8712375673. The next prime is 8712375697. The reversal of 8712375691 is 1965732178.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8712375691 - 2¹¹ = 8712373643 is a prime.

It is a super-2 number, since 2×8712375691² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8712375697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9490 + ... + 132343.

It is an arithmetic number, because the mean of its divisors is an integer number (593575290).

Almost surely, 2^8712375691 is an apocalyptic number.

8712375691 is a deficient number, since it is larger than the sum of its proper divisors (784828949).

8712375691 is a wasteful number, since it uses less digits than its factorization.

8712375691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141966.

The product of its digits is 635040, while the sum is 49.

The square root of 8712375691 is about 93340.1076226078. The cubic root of 8712375691 is about 2057.6848728879.

The spelling of 8712375691 in words is "eight billion, seven hundred twelve million, three hundred seventy-five thousand, six hundred ninety-one".