97850548388 has 12 divisors (see below), whose sum is σ = 171822893340. Its totient is φ = 48758293152.

The previous prime is 97850548379. The next prime is 97850548417. The reversal of 97850548388 is 88384505879.

It can be written as a sum of positive squares in 2 ways, for example, as 77177284864 + 20673263524 = 277808^2 + 143782^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41743943 + ... + 41746286.

It is an arithmetic number, because the mean of its divisors is an integer number (14318574445).

Almost surely, 2^97850548388 is an apocalyptic number.

It is an amenable number.

97850548388 is a deficient number, since it is larger than the sum of its proper divisors (73972344952).

97850548388 is a wasteful number, since it uses less digits than its factorization.

97850548388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83490526 (or 83490524 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 65.

The spelling of 97850548388 in words is "ninety-seven billion, eight hundred fifty million, five hundred forty-eight thousand, three hundred eighty-eight".