809957099116 has 24 divisors (see below), whose sum is σ = 1546916441616. Its totient is φ = 368011197120.

The previous prime is 809957099093. The next prime is 809957099117. The reversal of 809957099116 is 611990759908.

It is not an unprimeable number, because it can be changed into a prime (809957099117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3669571 + ... + 3884026.

It is an arithmetic number, because the mean of its divisors is an integer number (64454851734).

Almost surely, 2^809957099116 is an apocalyptic number.

It is an amenable number.

809957099116 is a deficient number, since it is larger than the sum of its proper divisors (736959342500).

809957099116 is a wasteful number, since it uses less digits than its factorization.

809957099116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7556049 (or 7556047 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 64.

The spelling of 809957099116 in words is "eight hundred nine billion, nine hundred fifty-seven million, ninety-nine thousand, one hundred sixteen".