30773612477 has 2 divisors, whose sum is σ = 30773612478. Its totient is φ = 30773612476.

The previous prime is 30773612453. The next prime is 30773612539. The reversal of 30773612477 is 77421637703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20745793156 + 10027819321 = 144034^2 + 100139^2 .

It is a cyclic number.

It is not a de Polignac number, because 30773612477 - 2¹⁶ = 30773546941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30773612407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15386806238 + 15386806239.

It is an arithmetic number, because the mean of its divisors is an integer number (15386806239).

Almost surely, 2^30773612477 is an apocalyptic number.

It is an amenable number.

30773612477 is a deficient number, since it is larger than the sum of its proper divisors (1).

30773612477 is an equidigital number, since it uses as much as digits as its factorization.

30773612477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1037232, while the sum is 47.

The spelling of 30773612477 in words is "thirty billion, seven hundred seventy-three million, six hundred twelve thousand, four hundred seventy-seven".