926972789 has 2 divisors, whose sum is σ = 926972790. Its totient is φ = 926972788.

The previous prime is 926972737. The next prime is 926972831. The reversal of 926972789 is 987279629.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 781649764 + 145323025 = 27958^2 + 12055^2 .

It is a cyclic number.

It is not a de Polignac number, because 926972789 - 2⁸ = 926972533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (926972089) 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, 463486394 + 463486395.

It is an arithmetic number, because the mean of its divisors is an integer number (463486395).

Almost surely, 2^926972789 is an apocalyptic number.

It is an amenable number.

926972789 is a deficient number, since it is larger than the sum of its proper divisors (1).

926972789 is an equidigital number, since it uses as much as digits as its factorization.

926972789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6858432, while the sum is 59.

The square root of 926972789 is about 30446.2278287475. The cubic root of 926972789 is about 975.0397666007.

The spelling of 926972789 in words is "nine hundred twenty-six million, nine hundred seventy-two thousand, seven hundred eighty-nine".