89380465061 has 2 divisors, whose sum is σ = 89380465062. Its totient is φ = 89380465060.

The previous prime is 89380465007. The next prime is 89380465067. The reversal of 89380465061 is 16056408398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49896390625 + 39484074436 = 223375^2 + 198706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89380465061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89380465067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44690232530 + 44690232531.

It is an arithmetic number, because the mean of its divisors is an integer number (44690232531).

Almost surely, 2^89380465061 is an apocalyptic number.

It is an amenable number.

89380465061 is a deficient number, since it is larger than the sum of its proper divisors (1).

89380465061 is an equidigital number, since it uses as much as digits as its factorization.

89380465061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 89380465061 in words is "eighty-nine billion, three hundred eighty million, four hundred sixty-five thousand, sixty-one".