8509172092675 has 12 divisors (see below), whose sum is σ = 10553795236096. Its totient is φ = 6805775196000.

The previous prime is 8509172092669. The next prime is 8509172092691. The reversal of 8509172092675 is 5762902719058.

It is not a de Polignac number, because 8509172092675 - 2⁹ = 8509172092163 is a prime.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38950851 + ... + 39168700.

Almost surely, 2^{8509172092675} is an apocalyptic number.

8509172092675 is a deficient number, since it is larger than the sum of its proper divisors (2044623143421).

8509172092675 is a wasteful number, since it uses less digits than its factorization.

8509172092675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78123918 (or 78123913 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 61.

The spelling of 8509172092675 in words is "eight trillion, five hundred nine billion, one hundred seventy-two million, ninety-two thousand, six hundred seventy-five".