1628097767 has 2 divisors, whose sum is σ = 1628097768. Its totient is φ = 1628097766.

The previous prime is 1628097749. The next prime is 1628097781. The reversal of 1628097767 is 7677908261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1628097767 - 2¹² = 1628093671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1628097467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 814048883 + 814048884.

It is an arithmetic number, because the mean of its divisors is an integer number (814048884).

Almost surely, 2^1628097767 is an apocalyptic number.

1628097767 is a deficient number, since it is larger than the sum of its proper divisors (1).

1628097767 is an equidigital number, since it uses as much as digits as its factorization.

1628097767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The square root of 1628097767 is about 40349.6935180430. The cubic root of 1628097767 is about 1176.4139349813.

The spelling of 1628097767 in words is "one billion, six hundred twenty-eight million, ninety-seven thousand, seven hundred sixty-seven".