1234455554077 has 2 divisors, whose sum is σ = 1234455554078. Its totient is φ = 1234455554076.

The previous prime is 1234455554039. The next prime is 1234455554093. The reversal of 1234455554077 is 7704555544321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 729203276356 + 505252277721 = 853934^2 + 710811^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234455554077 - 2¹⁵ = 1234455521309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234455554027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617227777038 + 617227777039.

It is an arithmetic number, because the mean of its divisors is an integer number (617227777039).

Almost surely, 2^{1234455554077} is an apocalyptic number.

It is an amenable number.

1234455554077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234455554077 is an equidigital number, since it uses as much as digits as its factorization.

1234455554077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760000, while the sum is 52.

The spelling of 1234455554077 in words is "one trillion, two hundred thirty-four billion, four hundred fifty-five million, five hundred fifty-four thousand, seventy-seven".