861052727 has 2 divisors, whose sum is σ = 861052728. Its totient is φ = 861052726.

The previous prime is 861052663. The next prime is 861052733. The reversal of 861052727 is 727250168.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 861052727 - 2⁶ = 861052663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (861052747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430526363 + 430526364.

It is an arithmetic number, because the mean of its divisors is an integer number (430526364).

Almost surely, 2^861052727 is an apocalyptic number.

861052727 is a deficient number, since it is larger than the sum of its proper divisors (1).

861052727 is an equidigital number, since it uses as much as digits as its factorization.

861052727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 861052727 is about 29343.6999541639. The cubic root of 861052727 is about 951.3564103176.

The spelling of 861052727 in words is "eight hundred sixty-one million, fifty-two thousand, seven hundred twenty-seven".