84938757122 has 6 divisors (see below), whose sum is σ = 127408753929. Its totient is φ = 42469172480.

The previous prime is 84938757083. The next prime is 84938757193. The reversal of 84938757122 is 22175783948.

It can be written as a sum of positive squares in 2 ways, for example, as 84732805921 + 205951201 = 291089^2 + 14351^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=206081.

It is a super-2 number, since 2×84938757122² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 309122 + ... + 515202.

Almost surely, 2^84938757122 is an apocalyptic number.

84938757122 is a deficient number, since it is larger than the sum of its proper divisors (42469996807).

84938757122 is an frugal number, since it uses more digits than its factorization.

84938757122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412164 (or 206083 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 56.

The spelling of 84938757122 in words is "eighty-four billion, nine hundred thirty-eight million, seven hundred fifty-seven thousand, one hundred twenty-two".