89903663 has 2 divisors, whose sum is σ = 89903664. Its totient is φ = 89903662.

The previous prime is 89903629. The next prime is 89903677. The reversal of 89903663 is 36630998.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89903663 - 2¹² = 89899567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89903603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44951831 + 44951832.

It is an arithmetic number, because the mean of its divisors is an integer number (44951832).

Almost surely, 2^89903663 is an apocalyptic number.

89903663 is a deficient number, since it is larger than the sum of its proper divisors (1).

89903663 is an equidigital number, since it uses as much as digits as its factorization.

89903663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 89903663 is about 9481.7542153338. The cubic root of 89903663 is about 447.9805193884.

The spelling of 89903663 in words is "eighty-nine million, nine hundred three thousand, six hundred sixty-three".