808889696986 has 16 divisors (see below), whose sum is σ = 1418916147264. Its totient is φ = 338604989184.

The previous prime is 808889696983. The next prime is 808889696999. The reversal of 808889696986 is 689696988808.

It is a happy number.

808889696986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (808889696983) 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, 671834695 + ... + 671835898.

It is an arithmetic number, because the mean of its divisors is an integer number (88682259204).

Almost surely, 2^808889696986 is an apocalyptic number.

808889696986 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

808889696986 is a deficient number, since it is larger than the sum of its proper divisors (610026450278).

808889696986 is a wasteful number, since it uses less digits than its factorization.

808889696986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343670645.

The product of its (nonzero) digits is 5159780352, while the sum is 85.

The spelling of 808889696986 in words is "eight hundred eight billion, eight hundred eighty-nine million, six hundred ninety-six thousand, nine hundred eighty-six".