89605801 has 2 divisors, whose sum is σ = 89605802. Its totient is φ = 89605800.

The previous prime is 89605757. The next prime is 89605807. The reversal of 89605801 is 10850698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69139225 + 20466576 = 8315^2 + 4524^2 .

It is a cyclic number.

It is not a de Polignac number, because 89605801 - 2⁷ = 89605673 is a prime.

It is not a weakly prime, because it can be changed into another prime (89605807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44802900 + 44802901.

It is an arithmetic number, because the mean of its divisors is an integer number (44802901).

Almost surely, 2^89605801 is an apocalyptic number.

It is an amenable number.

89605801 is a deficient number, since it is larger than the sum of its proper divisors (1).

89605801 is an equidigital number, since it uses as much as digits as its factorization.

89605801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 89605801 is about 9466.0340692393. The cubic root of 89605801 is about 447.4852336399.

The spelling of 89605801 in words is "eighty-nine million, six hundred five thousand, eight hundred one".