1426066787 has 2 divisors, whose sum is σ = 1426066788. Its totient is φ = 1426066786.

The previous prime is 1426066781. The next prime is 1426066799. The reversal of 1426066787 is 7876606241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1426066787 - 2³⁰ = 352324963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1426066781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713033393 + 713033394.

It is an arithmetic number, because the mean of its divisors is an integer number (713033394).

Almost surely, 2^1426066787 is an apocalyptic number.

1426066787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426066787 is an equidigital number, since it uses as much as digits as its factorization.

1426066787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 1426066787 is about 37763.2994718417. The cubic root of 1426066787 is about 1125.5892977127.

The spelling of 1426066787 in words is "one billion, four hundred twenty-six million, sixty-six thousand, seven hundred eighty-seven".