89760899 has 2 divisors, whose sum is σ = 89760900. Its totient is φ = 89760898.

The previous prime is 89760859. The next prime is 89760941. The reversal of 89760899 is 99806798.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89760899 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (89760859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44880449 + 44880450.

It is an arithmetic number, because the mean of its divisors is an integer number (44880450).

Almost surely, 2^89760899 is an apocalyptic number.

89760899 is a deficient number, since it is larger than the sum of its proper divisors (1).

89760899 is an equidigital number, since it uses as much as digits as its factorization.

89760899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The square root of 89760899 is about 9474.2228705050. Note that the first 3 decimals coincide. The cubic root of 89760899 is about 447.7432677507.

The spelling of 89760899 in words is "eighty-nine million, seven hundred sixty thousand, eight hundred ninety-nine".