97842069522 has 18 divisors (see below), whose sum is σ = 211994026023. Its totient is φ = 32613580812.

The previous prime is 97842069469. The next prime is 97842069539. The reversal of 97842069522 is 22596024879.

97842069522 is a `hidden beast` number, since 9 + 78 + 42 + 0 + 6 + 9 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48921034761 + 48921034761 = 221181^2 + 221181^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=221181.

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 8 ways as a sum of consecutive naturals, for example, 1290223 + ... + 1363949.

Almost surely, 2^97842069522 is an apocalyptic number.

97842069522 is an abundant number, since it is smaller than the sum of its proper divisors (114151956501).

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

97842069522 is an frugal number, since it uses more digits than its factorization.

97842069522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147462 (or 73732 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 97842069522 in words is "ninety-seven billion, eight hundred forty-two million, sixty-nine thousand, five hundred twenty-two".