869080727 has 2 divisors, whose sum is σ = 869080728. Its totient is φ = 869080726.

The previous prime is 869080687. The next prime is 869080739. The reversal of 869080727 is 727080968.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-869080727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869080747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434540363 + 434540364.

It is an arithmetic number, because the mean of its divisors is an integer number (434540364).

Almost surely, 2^869080727 is an apocalyptic number.

869080727 is a deficient number, since it is larger than the sum of its proper divisors (1).

869080727 is an equidigital number, since it uses as much as digits as its factorization.

869080727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 869080727 is about 29480.1751521255. The cubic root of 869080727 is about 954.3039167982.

The spelling of 869080727 in words is "eight hundred sixty-nine million, eighty thousand, seven hundred twenty-seven".