89505893 has 2 divisors, whose sum is σ = 89505894. Its totient is φ = 89505892.

The previous prime is 89505887. The next prime is 89505947. The reversal of 89505893 is 39850598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80874049 + 8631844 = 8993^2 + 2938^2 .

It is a cyclic number.

It is not a de Polignac number, because 89505893 - 2¹⁴ = 89489509 is a prime.

It is a super-2 number, since 2×89505893² = 16022609763454898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89505883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44752946 + 44752947.

It is an arithmetic number, because the mean of its divisors is an integer number (44752947).

Almost surely, 2^89505893 is an apocalyptic number.

It is an amenable number.

89505893 is a deficient number, since it is larger than the sum of its proper divisors (1).

89505893 is an equidigital number, since it uses as much as digits as its factorization.

89505893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 89505893 is about 9460.7554138134. The cubic root of 89505893 is about 447.3188605541.

The spelling of 89505893 in words is "eighty-nine million, five hundred five thousand, eight hundred ninety-three".