8085178966 has 4 divisors (see below), whose sum is σ = 12127768452. Its totient is φ = 4042589482.

The previous prime is 8085178963. The next prime is 8085178979. The reversal of 8085178966 is 6698715808.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8085178966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8085178961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021294740 + ... + 2021294743.

It is an arithmetic number, because the mean of its divisors is an integer number (3031942113).

Almost surely, 2^8085178966 is an apocalyptic number.

8085178966 is a deficient number, since it is larger than the sum of its proper divisors (4042589486).

8085178966 is a wasteful number, since it uses less digits than its factorization.

8085178966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042589485.

The product of its (nonzero) digits is 5806080, while the sum is 58.

The square root of 8085178966 is about 89917.6232225919. The cubic root of 8085178966 is about 2007.0732025798.

The spelling of 8085178966 in words is "eight billion, eighty-five million, one hundred seventy-eight thousand, nine hundred sixty-six".