130976777 has 2 divisors, whose sum is σ = 130976778. Its totient is φ = 130976776.

The previous prime is 130976771. The next prime is 130976801. The reversal of 130976777 is 777679031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129527161 + 1449616 = 11381^2 + 1204^2 .

It is a cyclic number.

It is not a de Polignac number, because 130976777 - 2¹⁶ = 130911241 is a prime.

It is a super-2 number, since 2×130976777² = 34309832226615458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130976771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65488388 + 65488389.

It is an arithmetic number, because the mean of its divisors is an integer number (65488389).

Almost surely, 2^130976777 is an apocalyptic number.

It is an amenable number.

130976777 is a deficient number, since it is larger than the sum of its proper divisors (1).

130976777 is an equidigital number, since it uses as much as digits as its factorization.

130976777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388962, while the sum is 47.

The square root of 130976777 is about 11444.5085958288. The cubic root of 130976777 is about 507.8452948736.

The spelling of 130976777 in words is "one hundred thirty million, nine hundred seventy-six thousand, seven hundred seventy-seven".