918822968802 has 90 divisors (see below), whose sum is σ = 2078688445713. Its totient is φ = 303350298048.

The previous prime is 918822968797. The next prime is 918822968809. The reversal of 918822968802 is 208869228819.

It can be written as a sum of positive squares in 2 ways, for example, as 906530590161 + 12292378641 = 952119^2 + 110871^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=677799.

It is a self number, because there is not a number n which added to its sum of digits gives 918822968802.

It is not an unprimeable number, because it can be changed into a prime (918822968809) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1549448218 + ... + 1549448810.

Almost surely, 2^918822968802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 918822968802

918822968802 is an abundant number, since it is smaller than the sum of its proper divisors (1159865476911).

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

918822968802 is an frugal number, since it uses more digits than its factorization.

918822968802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 63.

The spelling of 918822968802 in words is "nine hundred eighteen billion, eight hundred twenty-two million, nine hundred sixty-eight thousand, eight hundred two".