8837724154561 has 3 divisors (see below), whose sum is σ = 8837727127393. Its totient is φ = 8837721181730.

The previous prime is 8837724154549. The next prime is 8837724154577. The reversal of 8837724154561 is 1654514277388.

The square root of 8837724154561 is 2972831.

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 8837724154561 - 2²⁵ = 8837690600129 is a prime.

It is a super-2 number, since 2×8837724154561² (a number of 27 digits) contains 22 as substring.

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 8837724154561.

It is not an unprimeable number, because it can be changed into a prime (8837724154531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1486416 + ... + 4459246.

Almost surely, 2^{8837724154561} is an apocalyptic number.

8837724154561 is the 2972831-st square number.

8837724154561 is the 1486416-th centered octagonal number.

It is an amenable number.

8837724154561 is a deficient number, since it is larger than the sum of its proper divisors (2972832).

8837724154561 is an frugal number, since it uses more digits than its factorization.

8837724154561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5945662 (or 2972831 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 61.

The spelling of 8837724154561 in words is "eight trillion, eight hundred thirty-seven billion, seven hundred twenty-four million, one hundred fifty-four thousand, five hundred sixty-one".