889427263097 has 2 divisors, whose sum is σ = 889427263098. Its totient is φ = 889427263096.

The previous prime is 889427263051. The next prime is 889427263117. The reversal of 889427263097 is 790362724988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 688002232681 + 201425030416 = 829459^2 + 448804^2 .

It is a cyclic number.

It is not a de Polignac number, because 889427263097 - 2⁶ = 889427263033 is a prime.

It is not a weakly prime, because it can be changed into another prime (889427263037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444713631548 + 444713631549.

It is an arithmetic number, because the mean of its divisors is an integer number (444713631549).

Almost surely, 2^889427263097 is an apocalyptic number.

It is an amenable number.

889427263097 is a deficient number, since it is larger than the sum of its proper divisors (1).

889427263097 is an equidigital number, since it uses as much as digits as its factorization.

889427263097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73156608, while the sum is 65.

The spelling of 889427263097 in words is "eight hundred eighty-nine billion, four hundred twenty-seven million, two hundred sixty-three thousand, ninety-seven".