89100901 has 2 divisors, whose sum is σ = 89100902. Its totient is φ = 89100900.

The previous prime is 89100889. The next prime is 89100967. The reversal of 89100901 is 10900198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62568100 + 26532801 = 7910^2 + 5151^2 .

It is a cyclic number.

It is not a de Polignac number, because 89100901 - 2¹³ = 89092709 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89100901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89100971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44550450 + 44550451.

It is an arithmetic number, because the mean of its divisors is an integer number (44550451).

Almost surely, 2^89100901 is an apocalyptic number.

It is an amenable number.

89100901 is a deficient number, since it is larger than the sum of its proper divisors (1).

89100901 is an equidigital number, since it uses as much as digits as its factorization.

89100901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 89100901 is about 9439.3273595103. The cubic root of 89100901 is about 446.6431713960.

The spelling of 89100901 in words is "eighty-nine million, one hundred thousand, nine hundred one".