8794909491985 has 8 divisors (see below), whose sum is σ = 10558301722920. Its totient is φ = 7032987371904.

The previous prime is 8794909491967. The next prime is 8794909491989. The reversal of 8794909491985 is 5891949094978.

It can be written as a sum of positive squares in 4 ways, for example, as 867373706241 + 7927535785744 = 931329^2 + 2815588^2 .

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 8794909491985 - 2¹⁹ = 8794908967697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8794909491899 and 8794909491908.

It is not an unprimeable number, because it can be changed into a prime (8794909491989) 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, 367514550 + ... + 367538479.

It is an arithmetic number, because the mean of its divisors is an integer number (1319787715365).

Almost surely, 2^{8794909491985} is an apocalyptic number.

It is an amenable number.

8794909491985 is a deficient number, since it is larger than the sum of its proper divisors (1763392230935).

8794909491985 is a wasteful number, since it uses less digits than its factorization.

8794909491985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735055427.

The product of its (nonzero) digits is 2116316160, while the sum is 82.

The spelling of 8794909491985 in words is "eight trillion, seven hundred ninety-four billion, nine hundred nine million, four hundred ninety-one thousand, nine hundred eighty-five".