695747885808 has 160 divisors (see below), whose sum is σ = 1921080471552. Its totient is φ = 216218419200.

The previous prime is 695747885741. The next prime is 695747885809. The reversal of 695747885808 is 808588747596.

It is a self number, because there is not a number n which added to its sum of digits gives 695747885808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695747885809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37552035 + ... + 37570557.

Almost surely, 2^695747885808 is an apocalyptic number.

695747885808 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 695747885808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960540235776).

695747885808 is an abundant number, since it is smaller than the sum of its proper divisors (1225332585744).

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

695747885808 is a wasteful number, since it uses less digits than its factorization.

695747885808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18983 (or 18977 counting only the distinct ones).

The product of its (nonzero) digits is 1083801600, while the sum is 75.

The spelling of 695747885808 in words is "six hundred ninety-five billion, seven hundred forty-seven million, eight hundred eighty-five thousand, eight hundred eight".