8085794781 has 8 divisors (see below), whose sum is σ = 10782156384. Its totient is φ = 5389981520.

The previous prime is 8085794767. The next prime is 8085794809. The reversal of 8085794781 is 1874975808.

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 8085794781 - 2⁵ = 8085794749 is a prime.

It is a super-2 number, since 2×8085794781² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8085794281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101346 + ... + 162611.

It is an arithmetic number, because the mean of its divisors is an integer number (1347769548).

Almost surely, 2^8085794781 is an apocalyptic number.

It is an amenable number.

8085794781 is a deficient number, since it is larger than the sum of its proper divisors (2696361603).

8085794781 is a wasteful number, since it uses less digits than its factorization.

8085794781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274171.

The product of its (nonzero) digits is 4515840, while the sum is 57.

The square root of 8085794781 is about 89921.0474861142. The cubic root of 8085794781 is about 2007.1241581373.

The spelling of 8085794781 in words is "eight billion, eighty-five million, seven hundred ninety-four thousand, seven hundred eighty-one".