75977678033 has 2 divisors, whose sum is σ = 75977678034. Its totient is φ = 75977678032.

The previous prime is 75977678017. The next prime is 75977678039. The reversal of 75977678033 is 33087677957.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40914366529 + 35063311504 = 202273^2 + 187252^2 .

It is a cyclic number.

It is not a de Polignac number, because 75977678033 - 2⁴ = 75977678017 is a prime.

It is not a weakly prime, because it can be changed into another prime (75977678039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37988839016 + 37988839017.

It is an arithmetic number, because the mean of its divisors is an integer number (37988839017).

Almost surely, 2^75977678033 is an apocalyptic number.

It is an amenable number.

75977678033 is a deficient number, since it is larger than the sum of its proper divisors (1).

75977678033 is an equidigital number, since it uses as much as digits as its factorization.

75977678033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46675440, while the sum is 62.

The spelling of 75977678033 in words is "seventy-five billion, nine hundred seventy-seven million, six hundred seventy-eight thousand, thirty-three".