808967089944 has 160 divisors (see below), whose sum is σ = 2452420740000. Its totient is φ = 247661618688.

The previous prime is 808967089877. The next prime is 808967089999. The reversal of 808967089944 is 449980769808.

It is a super-2 number, since 2×808967089944² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 1435092 + ... + 1917660.

It is an arithmetic number, because the mean of its divisors is an integer number (15327629625).

Almost surely, 2^808967089944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808967089944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1226210370000).

808967089944 is an abundant number, since it is smaller than the sum of its proper divisors (1643453650056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

808967089944 is a wasteful number, since it uses less digits than its factorization.

808967089944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482799 (or 482786 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 72.

The spelling of 808967089944 in words is "eight hundred eight billion, nine hundred sixty-seven million, eighty-nine thousand, nine hundred forty-four".