826947697218 has 16 divisors (see below), whose sum is σ = 1653913159680. Its totient is φ = 275646271536.

The previous prime is 826947697211. The next prime is 826947697243. The reversal of 826947697218 is 812796749628.

It is not an unprimeable number, because it can be changed into a prime (826947697211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91330 + ... + 1289277.

It is an arithmetic number, because the mean of its divisors is an integer number (103369572480).

Almost surely, 2^826947697218 is an apocalyptic number.

826947697218 is an abundant number, since it is smaller than the sum of its proper divisors (826965462462).

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

826947697218 is a wasteful number, since it uses less digits than its factorization.

826947697218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480441.

The product of its digits is 146313216, while the sum is 69.

The spelling of 826947697218 in words is "eight hundred twenty-six billion, nine hundred forty-seven million, six hundred ninety-seven thousand, two hundred eighteen".