89442349567 has 2 divisors, whose sum is σ = 89442349568. Its totient is φ = 89442349566.

The previous prime is 89442349531. The next prime is 89442349651. The reversal of 89442349567 is 76594324498.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89442349567 - 2⁷ = 89442349439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89442349967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44721174783 + 44721174784.

It is an arithmetic number, because the mean of its divisors is an integer number (44721174784).

Almost surely, 2^89442349567 is an apocalyptic number.

89442349567 is a deficient number, since it is larger than the sum of its proper divisors (1).

89442349567 is an equidigital number, since it uses as much as digits as its factorization.

89442349567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 61.

The spelling of 89442349567 in words is "eighty-nine billion, four hundred forty-two million, three hundred forty-nine thousand, five hundred sixty-seven".