9977243204 has 12 divisors (see below), whose sum is σ = 17746408428. Its totient is φ = 4906840800.

The previous prime is 9977243179. The next prime is 9977243207. The reversal of 9977243204 is 4023427799.

It can be written as a sum of positive squares in 2 ways, for example, as 1849860100 + 8127383104 = 43010^2 + 90152^2 .

It is not an unprimeable number, because it can be changed into a prime (9977243207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20444927 + ... + 20445414.

It is an arithmetic number, because the mean of its divisors is an integer number (1478867369).

Almost surely, 2^9977243204 is an apocalyptic number.

It is an amenable number.

9977243204 is a deficient number, since it is larger than the sum of its proper divisors (7769165224).

9977243204 is a wasteful number, since it uses less digits than its factorization.

9977243204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40890406 (or 40890404 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 9977243204 is about 99886.1512122677. The cubic root of 9977243204 is about 2152.7991810811.

The spelling of 9977243204 in words is "nine billion, nine hundred seventy-seven million, two hundred forty-three thousand, two hundred four".