30777760133 has 2 divisors, whose sum is σ = 30777760134. Its totient is φ = 30777760132.

The previous prime is 30777760093. The next prime is 30777760151. The reversal of 30777760133 is 33106777703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26975434564 + 3802325569 = 164242^2 + 61663^2 .

It is a cyclic number.

It is not a de Polignac number, because 30777760133 - 2¹⁴ = 30777743749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30777760183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15388880066 + 15388880067.

It is an arithmetic number, because the mean of its divisors is an integer number (15388880067).

Almost surely, 2^30777760133 is an apocalyptic number.

It is an amenable number.

30777760133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30777760133 is an equidigital number, since it uses as much as digits as its factorization.

30777760133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388962, while the sum is 44.

The spelling of 30777760133 in words is "thirty billion, seven hundred seventy-seven million, seven hundred sixty thousand, one hundred thirty-three".