1424400077 has 2 divisors, whose sum is σ = 1424400078. Its totient is φ = 1424400076.

The previous prime is 1424400067. The next prime is 1424400079. The reversal of 1424400077 is 7700044241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1400331241 + 24068836 = 37421^2 + 4906^2 .

It is an emirp because it is prime and its reverse (7700044241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1424400077 - 2⁶ = 1424400013 is a prime.

Together with 1424400079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424400079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712200038 + 712200039.

It is an arithmetic number, because the mean of its divisors is an integer number (712200039).

Almost surely, 2^1424400077 is an apocalyptic number.

It is an amenable number.

1424400077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424400077 is an equidigital number, since it uses as much as digits as its factorization.

1424400077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 1424400077 is about 37741.2251655931. The cubic root of 1424400077 is about 1125.1506173979.

The spelling of 1424400077 in words is "one billion, four hundred twenty-four million, four hundred thousand, seventy-seven".