89770663 has 2 divisors, whose sum is σ = 89770664. Its totient is φ = 89770662.

The previous prime is 89770601. The next prime is 89770739. The reversal of 89770663 is 36607798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89770663 - 2¹³ = 89762471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89770963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44885331 + 44885332.

It is an arithmetic number, because the mean of its divisors is an integer number (44885332).

Almost surely, 2^89770663 is an apocalyptic number.

89770663 is a deficient number, since it is larger than the sum of its proper divisors (1).

89770663 is an equidigital number, since it uses as much as digits as its factorization.

89770663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 89770663 is about 9474.7381494161. The cubic root of 89770663 is about 447.7595020161.

The spelling of 89770663 in words is "eighty-nine million, seven hundred seventy thousand, six hundred sixty-three".