830869559977 has 2 divisors, whose sum is σ = 830869559978. Its totient is φ = 830869559976.

The previous prime is 830869559957. The next prime is 830869560019. The reversal of 830869559977 is 779955968038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 767733449616 + 63136110361 = 876204^2 + 251269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-830869559977 is a prime.

It is not a weakly prime, because it can be changed into another prime (830869559957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415434779988 + 415434779989.

It is an arithmetic number, because the mean of its divisors is an integer number (415434779989).

Almost surely, 2^830869559977 is an apocalyptic number.

It is an amenable number.

830869559977 is a deficient number, since it is larger than the sum of its proper divisors (1).

830869559977 is an equidigital number, since it uses as much as digits as its factorization.

830869559977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1028764800, while the sum is 76.

The spelling of 830869559977 in words is "eight hundred thirty billion, eight hundred sixty-nine million, five hundred fifty-nine thousand, nine hundred seventy-seven".