18755046077 has 2 divisors, whose sum is σ = 18755046078. Its totient is φ = 18755046076.

The previous prime is 18755046019. The next prime is 18755046103. The reversal of 18755046077 is 77064055781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12863869561 + 5891176516 = 113419^2 + 76754^2 .

It is a cyclic number.

It is not a de Polignac number, because 18755046077 - 2⁸ = 18755045821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18755046007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9377523038 + 9377523039.

It is an arithmetic number, because the mean of its divisors is an integer number (9377523039).

Almost surely, 2^18755046077 is an apocalyptic number.

It is an amenable number.

18755046077 is a deficient number, since it is larger than the sum of its proper divisors (1).

18755046077 is an equidigital number, since it uses as much as digits as its factorization.

18755046077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1646400, while the sum is 50.

The spelling of 18755046077 in words is "eighteen billion, seven hundred fifty-five million, forty-six thousand, seventy-seven".