830577067261 has 2 divisors, whose sum is σ = 830577067262. Its totient is φ = 830577067260.

The previous prime is 830577067247. The next prime is 830577067279. The reversal of 830577067261 is 162760775038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 553052505625 + 277524561636 = 743675^2 + 526806^2 .

It is a cyclic number.

It is not a de Polignac number, because 830577067261 - 2¹⁵ = 830577034493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 830577067199 and 830577067208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830577061261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415288533630 + 415288533631.

It is an arithmetic number, because the mean of its divisors is an integer number (415288533631).

Almost surely, 2^830577067261 is an apocalyptic number.

It is an amenable number.

830577067261 is a deficient number, since it is larger than the sum of its proper divisors (1).

830577067261 is an equidigital number, since it uses as much as digits as its factorization.

830577067261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 830577067261 in words is "eight hundred thirty billion, five hundred seventy-seven million, sixty-seven thousand, two hundred sixty-one".