86875961729 has 8 divisors (see below), whose sum is σ = 89265208032. Its totient is φ = 84503482560.

The previous prime is 86875961681. The next prime is 86875961789. The reversal of 86875961729 is 92716957868.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86875961729 - 2¹⁶ = 86875896193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86875961789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4181279 + ... + 4202004.

It is an arithmetic number, because the mean of its divisors is an integer number (11158151004).

Almost surely, 2^86875961729 is an apocalyptic number.

It is an amenable number.

86875961729 is a deficient number, since it is larger than the sum of its proper divisors (2389246303).

86875961729 is a wasteful number, since it uses less digits than its factorization.

86875961729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8383567.

The product of its digits is 91445760, while the sum is 68.

The spelling of 86875961729 in words is "eighty-six billion, eight hundred seventy-five million, nine hundred sixty-one thousand, seven hundred twenty-nine".