1427246477 has 2 divisors, whose sum is σ = 1427246478. Its totient is φ = 1427246476.

The previous prime is 1427246467. The next prime is 1427246519. The reversal of 1427246477 is 7746427241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1406325001 + 20921476 = 37501^2 + 4574^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427246477 - 2¹⁰ = 1427245453 is a prime.

It is a super-2 number, since 2×1427246477² = 4074065012217823058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427246437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713623238 + 713623239.

It is an arithmetic number, because the mean of its divisors is an integer number (713623239).

Almost surely, 2^1427246477 is an apocalyptic number.

It is an amenable number.

1427246477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427246477 is an equidigital number, since it uses as much as digits as its factorization.

1427246477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 526848, while the sum is 44.

The square root of 1427246477 is about 37778.9157732193. The cubic root of 1427246477 is about 1125.8995871682.

The spelling of 1427246477 in words is "one billion, four hundred twenty-seven million, two hundred forty-six thousand, four hundred seventy-seven".