8790180961 has 2 divisors, whose sum is σ = 8790180962. Its totient is φ = 8790180960.

The previous prime is 8790180943. The next prime is 8790181003. The reversal of 8790180961 is 1690810978.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8332220961 + 457960000 = 91281^2 + 21400^2 .

It is a cyclic number.

It is not a de Polignac number, because 8790180961 - 2⁵ = 8790180929 is a prime.

It is not a weakly prime, because it can be changed into another prime (8790180911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4395090480 + 4395090481.

It is an arithmetic number, because the mean of its divisors is an integer number (4395090481).

Almost surely, 2^8790180961 is an apocalyptic number.

It is an amenable number.

8790180961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8790180961 is an equidigital number, since it uses as much as digits as its factorization.

8790180961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 49.

The square root of 8790180961 is about 93755.9649355709. The cubic root of 8790180961 is about 2063.7920664456.

The spelling of 8790180961 in words is "eight billion, seven hundred ninety million, one hundred eighty thousand, nine hundred sixty-one".