7978241041 has 9 divisors (see below), whose sum is σ = 8039171721. Its totient is φ = 7917770724.

The previous prime is 7978241017. The next prime is 7978241099. The reversal of 7978241041 is 1401428797.

The square root of 7978241041 is 89321.

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

It is a de Polignac number, because none of the positive numbers 2^k-7978241041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7978241441) 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, 15988210 + ... + 15988708.

Almost surely, 2^7978241041 is an apocalyptic number.

7978241041 is the 89321-st square number.

7978241041 is the 44661-st centered octagonal number.

It is an amenable number.

7978241041 is a deficient number, since it is larger than the sum of its proper divisors (60930680).

7978241041 is an frugal number, since it uses more digits than its factorization.

7978241041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The cubic root of 7978241041 is about 1998.1851069965.

Multiplying 7978241041 by its product of nonzero digits (112896), we get a square (900711500564736 = 30011856²).

The spelling of 7978241041 in words is "seven billion, nine hundred seventy-eight million, two hundred forty-one thousand, forty-one".