132778120877 has 2 divisors, whose sum is σ = 132778120878. Its totient is φ = 132778120876.

The previous prime is 132778120801. The next prime is 132778120889. The reversal of 132778120877 is 778021877231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103533358756 + 29244762121 = 321766^2 + 171011^2 .

It is a cyclic number.

It is not a de Polignac number, because 132778120877 - 2¹⁴ = 132778104493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132778120477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66389060438 + 66389060439.

It is an arithmetic number, because the mean of its divisors is an integer number (66389060439).

Almost surely, 2^132778120877 is an apocalyptic number.

It is an amenable number.

132778120877 is a deficient number, since it is larger than the sum of its proper divisors (1).

132778120877 is an equidigital number, since it uses as much as digits as its factorization.

132778120877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1843968, while the sum is 53.

The spelling of 132778120877 in words is "one hundred thirty-two billion, seven hundred seventy-eight million, one hundred twenty thousand, eight hundred seventy-seven".