4378042862077 has 2 divisors, whose sum is σ = 4378042862078. Its totient is φ = 4378042862076.

The previous prime is 4378042862033. The next prime is 4378042862099. The reversal of 4378042862077 is 7702682408734.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3841968488836 + 536074373241 = 1960094^2 + 732171^2 .

It is a cyclic number.

It is not a de Polignac number, because 4378042862077 - 2³⁹ = 3828287048189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4378042862477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2189021431038 + 2189021431039.

It is an arithmetic number, because the mean of its divisors is an integer number (2189021431039).

Almost surely, 2^{4378042862077} is an apocalyptic number.

It is an amenable number.

4378042862077 is a deficient number, since it is larger than the sum of its proper divisors (1).

4378042862077 is an equidigital number, since it uses as much as digits as its factorization.

4378042862077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25288704, while the sum is 58.

The spelling of 4378042862077 in words is "four trillion, three hundred seventy-eight billion, forty-two million, eight hundred sixty-two thousand, seventy-seven".