7841279601 has 15 divisors (see below), whose sum is σ = 11714707081. Its totient is φ = 5226988428.

The previous prime is 7841279599. The next prime is 7841279617. The reversal of 7841279601 is 1069721487.

It is a happy number.

The square root of 7841279601 is 88551.

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

It is not a de Polignac number, because 7841279601 - 2¹ = 7841279599 is a prime.

It is a super-2 number, since 2×7841279601² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7841272601) 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 14 ways as a sum of consecutive naturals, for example, 792040 + ... + 801878.

Almost surely, 2^7841279601 is an apocalyptic number.

7841279601 is the 88551-st square number.

7841279601 is the 44276-th centered octagonal number.

It is an amenable number.

7841279601 is a deficient number, since it is larger than the sum of its proper divisors (3873427480).

7841279601 is an frugal number, since it uses more digits than its factorization.

7841279601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19690 (or 9842 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The cubic root of 7841279601 is about 1986.6848502000.

The spelling of 7841279601 in words is "seven billion, eight hundred forty-one million, two hundred seventy-nine thousand, six hundred one".