7838034625218 has 64 divisors (see below), whose sum is σ = 18572971023360. Its totient is φ = 2157586277952.

The previous prime is 7838034625123. The next prime is 7838034625237. The reversal of 7838034625218 is 8125264308387.

It is a super-2 number, since 2×7838034625218² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6321096 + ... + 7458707.

It is an arithmetic number, because the mean of its divisors is an integer number (290202672240).

Almost surely, 2^{7838034625218} is an apocalyptic number.

7838034625218 is an abundant number, since it is smaller than the sum of its proper divisors (10734936398142).

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

7838034625218 is a wasteful number, since it uses less digits than its factorization.

7838034625218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13780311.

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 7838034625218 in words is "seven trillion, eight hundred thirty-eight billion, thirty-four million, six hundred twenty-five thousand, two hundred eighteen".