8791126361 has 2 divisors, whose sum is σ = 8791126362. Its totient is φ = 8791126360.

The previous prime is 8791126349. The next prime is 8791126367. The reversal of 8791126361 is 1636211978.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6157383961 + 2633742400 = 78469^2 + 51320^2 .

It is a cyclic number.

It is not a de Polignac number, because 8791126361 - 2¹⁸ = 8790864217 is a prime.

It is not a weakly prime, because it can be changed into another prime (8791126367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4395563180 + 4395563181.

It is an arithmetic number, because the mean of its divisors is an integer number (4395563181).

Almost surely, 2^8791126361 is an apocalyptic number.

It is an amenable number.

8791126361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8791126361 is an equidigital number, since it uses as much as digits as its factorization.

8791126361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The square root of 8791126361 is about 93761.0066125572. The cubic root of 8791126361 is about 2063.8660519939.

The spelling of 8791126361 in words is "eight billion, seven hundred ninety-one million, one hundred twenty-six thousand, three hundred sixty-one".