577376661133 has 2 divisors, whose sum is σ = 577376661134. Its totient is φ = 577376661132.

The previous prime is 577376661091. The next prime is 577376661179. The reversal of 577376661133 is 331166673775.

577376661133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 577376581609 + 79524 = 759853^2 + 282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-577376661133 is a prime.

It is a super-2 number, since 2×577376661133² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (577376661193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288688330566 + 288688330567.

It is an arithmetic number, because the mean of its divisors is an integer number (288688330567).

Almost surely, 2^577376661133 is an apocalyptic number.

It is an amenable number.

577376661133 is a deficient number, since it is larger than the sum of its proper divisors (1).

577376661133 is an equidigital number, since it uses as much as digits as its factorization.

577376661133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10001880, while the sum is 55.

The spelling of 577376661133 in words is "five hundred seventy-seven billion, three hundred seventy-six million, six hundred sixty-one thousand, one hundred thirty-three".