77190672133 has 2 divisors, whose sum is σ = 77190672134. Its totient is φ = 77190672132.

The previous prime is 77190672127. The next prime is 77190672151. The reversal of 77190672133 is 33127609177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68234321089 + 8956351044 = 261217^2 + 94638^2 .

It is a cyclic number.

It is not a de Polignac number, because 77190672133 - 2¹³ = 77190663941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77190672113) 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, 38595336066 + 38595336067.

It is an arithmetic number, because the mean of its divisors is an integer number (38595336067).

Almost surely, 2^77190672133 is an apocalyptic number.

It is an amenable number.

77190672133 is a deficient number, since it is larger than the sum of its proper divisors (1).

77190672133 is an equidigital number, since it uses as much as digits as its factorization.

77190672133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 333396, while the sum is 46.

The spelling of 77190672133 in words is "seventy-seven billion, one hundred ninety million, six hundred seventy-two thousand, one hundred thirty-three".