7797420041 has 2 divisors, whose sum is σ = 7797420042. Its totient is φ = 7797420040.

The previous prime is 7797420023. The next prime is 7797420061. The reversal of 7797420041 is 1400247977.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6161622016 + 1635798025 = 78496^2 + 40445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7797420041 is a prime.

It is not a weakly prime, because it can be changed into another prime (7797420061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3898710020 + 3898710021.

It is an arithmetic number, because the mean of its divisors is an integer number (3898710021).

Almost surely, 2^7797420041 is an apocalyptic number.

It is an amenable number.

7797420041 is a deficient number, since it is larger than the sum of its proper divisors (1).

7797420041 is an equidigital number, since it uses as much as digits as its factorization.

7797420041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 7797420041 is about 88303.0013136586. The cubic root of 7797420041 is about 1982.9738023593.

The spelling of 7797420041 in words is "seven billion, seven hundred ninety-seven million, four hundred twenty thousand, forty-one".