97855660408804 has 9 divisors (see below), whose sum is σ = 171247440338121. Its totient is φ = 48927820312200.

The previous prime is 97855660408757. The next prime is 97855660408817. The reversal of 97855660408804 is 40880406655879.

The square root of 97855660408804 is 9892202.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 93010555063204 + 4845105345600 = 9644198^2 + 2201160^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 17311354 + ... + 22257454.

Almost surely, 2^{97855660408804} is an apocalyptic number.

97855660408804 is the 9892202-nd square number.

It is an amenable number.

97855660408804 is a deficient number, since it is larger than the sum of its proper divisors (73391779929317).

97855660408804 is an frugal number, since it uses more digits than its factorization.

97855660408804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9892206 (or 4946103 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 70.

The spelling of 97855660408804 in words is "ninety-seven trillion, eight hundred fifty-five billion, six hundred sixty million, four hundred eight thousand, eight hundred four".