84818336851922 has 8 divisors (see below), whose sum is σ = 134711476176636. Its totient is φ = 39914511459712.

The previous prime is 84818336851921. The next prime is 84818336851931. The reversal of 84818336851922 is 22915863381848.

It can be written as a sum of positive squares in 2 ways, for example, as 84793691305801 + 24645546121 = 9208349^2 + 156989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×84818336851922² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84818336851921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247328483083 + ... + 1247328483150.

Almost surely, 2^{84818336851922} is an apocalyptic number.

84818336851922 is a deficient number, since it is larger than the sum of its proper divisors (49893139324714).

84818336851922 is a wasteful number, since it uses less digits than its factorization.

84818336851922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494656966252.

The product of its digits is 159252480, while the sum is 68.

The spelling of 84818336851922 in words is "eighty-four trillion, eight hundred eighteen billion, three hundred thirty-six million, eight hundred fifty-one thousand, nine hundred twenty-two".