9977202486241 has 3 divisors (see below), whose sum is σ = 9977205644913. Its totient is φ = 9977199327570.

The previous prime is 9977202486191. The next prime is 9977202486259. The reversal of 9977202486241 is 1426842027799.

The square root of 9977202486241 is 3158671.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 9977202486241 - 2¹³ = 9977202478049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9977202486241.

It is not an unprimeable number, because it can be changed into a prime (9977202286241) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1579336 + ... + 4738006.

It is an arithmetic number, because the mean of its divisors is an integer number (3325735214971).

Almost surely, 2^{9977202486241} is an apocalyptic number.

9977202486241 is the 3158671-st square number.

9977202486241 is the 1579336-th centered octagonal number.

It is an amenable number.

9977202486241 is a deficient number, since it is larger than the sum of its proper divisors (3158672).

9977202486241 is an frugal number, since it uses more digits than its factorization.

9977202486241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6317342 (or 3158671 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 9977202486241 in words is "nine trillion, nine hundred seventy-seven billion, two hundred two million, four hundred eighty-six thousand, two hundred forty-one".