748388089 has 2 divisors, whose sum is σ = 748388090. Its totient is φ = 748388088.

The previous prime is 748388063. The next prime is 748388101. The reversal of 748388089 is 980883847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 694849600 + 53538489 = 26360^2 + 7317^2 .

It is a cyclic number.

It is not a de Polignac number, because 748388089 - 2¹⁷ = 748257017 is a prime.

It is not a weakly prime, because it can be changed into another prime (748388029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374194044 + 374194045.

It is an arithmetic number, because the mean of its divisors is an integer number (374194045).

Almost surely, 2^748388089 is an apocalyptic number.

It is an amenable number.

748388089 is a deficient number, since it is larger than the sum of its proper divisors (1).

748388089 is an equidigital number, since it uses as much as digits as its factorization.

748388089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The square root of 748388089 is about 27356.6827119079. The cubic root of 748388089 is about 907.9089325145.

The spelling of 748388089 in words is "seven hundred forty-eight million, three hundred eighty-eight thousand, eighty-nine".