809678077094 has 12 divisors (see below), whose sum is σ = 1290161781204. Its totient is φ = 381024977184.

The previous prime is 809678077093. The next prime is 809678077099. The reversal of 809678077094 is 490770876908.

809678077094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 809678077094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809678077093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 700412984 + ... + 700414139.

It is an arithmetic number, because the mean of its divisors is an integer number (107513481767).

Almost surely, 2^809678077094 is an apocalyptic number.

809678077094 is a deficient number, since it is larger than the sum of its proper divisors (480483704110).

809678077094 is a wasteful number, since it uses less digits than its factorization.

809678077094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400827159 (or 1400827142 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 65.

The spelling of 809678077094 in words is "eight hundred nine billion, six hundred seventy-eight million, seventy-seven thousand, ninety-four".