195977096669124 has 27 divisors (see below), whose sum is σ = 495386762234637. Its totient is φ = 65325670891344.

The previous prime is 195977096669119. The next prime is 195977096669129. The reversal of 195977096669124 is 421966690779591.

The square root of 195977096669124 is 13999182.

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

It is an interprime number because it is at equal distance from previous prime (195977096669119) and next prime (195977096669129).

It can be written as a sum of positive squares in only one way, i.e., 139020370676100 + 56956725993024 = 11790690^2 + 7546968^2 .

It is not an unprimeable number, because it can be changed into a prime (195977096669129) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 82828494 + ... + 85161690.

Almost surely, 2^{195977096669124} is an apocalyptic number.

195977096669124 is the 13999182-nd square number.

It is an amenable number.

195977096669124 is an abundant number, since it is smaller than the sum of its proper divisors (299409665565513).

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

195977096669124 is an frugal number, since it uses more digits than its factorization.

195977096669124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666404 (or 2333202 counting only the distinct ones).

The product of its (nonzero) digits is 2777664960, while the sum is 81.

The spelling of 195977096669124 in words is "one hundred ninety-five trillion, nine hundred seventy-seven billion, ninety-six million, six hundred sixty-nine thousand, one hundred twenty-four".