77400067403 has 2 divisors, whose sum is σ = 77400067404. Its totient is φ = 77400067402.

The previous prime is 77400067387. The next prime is 77400067471. The reversal of 77400067403 is 30476000477.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77400067403 - 2⁴ = 77400067387 is a prime.

It is not a weakly prime, because it can be changed into another prime (77400067483) 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, 38700033701 + 38700033702.

It is an arithmetic number, because the mean of its divisors is an integer number (38700033702).

Almost surely, 2^77400067403 is an apocalyptic number.

77400067403 is a deficient number, since it is larger than the sum of its proper divisors (1).

77400067403 is an equidigital number, since it uses as much as digits as its factorization.

77400067403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 38.

The spelling of 77400067403 in words is "seventy-seven billion, four hundred million, sixty-seven thousand, four hundred three".