1426580977 has 2 divisors, whose sum is σ = 1426580978. Its totient is φ = 1426580976.

The previous prime is 1426580941. The next prime is 1426580999. The reversal of 1426580977 is 7790856241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1360060641 + 66520336 = 36879^2 + 8156^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426580977 - 2⁷ = 1426580849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1426580977.

It is not a weakly prime, because it can be changed into another prime (1426580927) 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, 713290488 + 713290489.

It is an arithmetic number, because the mean of its divisors is an integer number (713290489).

Almost surely, 2^1426580977 is an apocalyptic number.

It is an amenable number.

1426580977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426580977 is an equidigital number, since it uses as much as digits as its factorization.

1426580977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 1426580977 is about 37770.1069233329. The cubic root of 1426580977 is about 1125.7245642185.

The spelling of 1426580977 in words is "one billion, four hundred twenty-six million, five hundred eighty thousand, nine hundred seventy-seven".