130612777 has 2 divisors, whose sum is σ = 130612778. Its totient is φ = 130612776.

The previous prime is 130612771. The next prime is 130612787. The reversal of 130612777 is 777216031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119880601 + 10732176 = 10949^2 + 3276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130612777 is a prime.

It is not a weakly prime, because it can be changed into another prime (130612771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65306388 + 65306389.

It is an arithmetic number, because the mean of its divisors is an integer number (65306389).

Almost surely, 2^130612777 is an apocalyptic number.

It is an amenable number.

130612777 is a deficient number, since it is larger than the sum of its proper divisors (1).

130612777 is an equidigital number, since it uses as much as digits as its factorization.

130612777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 130612777 is about 11428.5947080120. The cubic root of 130612777 is about 507.3744042782.

The spelling of 130612777 in words is "one hundred thirty million, six hundred twelve thousand, seven hundred seventy-seven".