89782739 has 2 divisors, whose sum is σ = 89782740. Its totient is φ = 89782738.

The previous prime is 89782723. The next prime is 89782751. The reversal of 89782739 is 93728798.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89782739 - 2⁴ = 89782723 is a prime.

It is not a weakly prime, because it can be changed into another prime (89782709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44891369 + 44891370.

It is an arithmetic number, because the mean of its divisors is an integer number (44891370).

Almost surely, 2^89782739 is an apocalyptic number.

89782739 is a deficient number, since it is larger than the sum of its proper divisors (1).

89782739 is an equidigital number, since it uses as much as digits as its factorization.

89782739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 53.

The square root of 89782739 is about 9475.3754015342. The cubic root of 89782739 is about 447.7795787358.

The spelling of 89782739 in words is "eighty-nine million, seven hundred eighty-two thousand, seven hundred thirty-nine".