918342853872 has 80 divisors (see below), whose sum is σ = 2432869598880. Its totient is φ = 298326016000.

The previous prime is 918342853871. The next prime is 918342853993. The reversal of 918342853872 is 278358243819.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918342853871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1577122 + ... + 2079422.

It is an arithmetic number, because the mean of its divisors is an integer number (30410869986).

Almost surely, 2^918342853872 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 918342853872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216434799440).

918342853872 is an abundant number, since it is smaller than the sum of its proper divisors (1514526745008).

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

918342853872 is a wasteful number, since it uses less digits than its factorization.

918342853872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503282 (or 503276 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 60.

The spelling of 918342853872 in words is "nine hundred eighteen billion, three hundred forty-two million, eight hundred fifty-three thousand, eight hundred seventy-two".