927861997 has 2 divisors, whose sum is σ = 927861998. Its totient is φ = 927861996.

The previous prime is 927861983. The next prime is 927862027. The reversal of 927861997 is 799168729.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 910772041 + 17089956 = 30179^2 + 4134^2 .

It is a cyclic number.

It is not a de Polignac number, because 927861997 - 2¹⁵ = 927829229 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 (927861947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 463930998 + 463930999.

It is an arithmetic number, because the mean of its divisors is an integer number (463930999).

Almost surely, 2^927861997 is an apocalyptic number.

It is an amenable number.

927861997 is a deficient number, since it is larger than the sum of its proper divisors (1).

927861997 is an equidigital number, since it uses as much as digits as its factorization.

927861997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 58.

The square root of 927861997 is about 30460.8272540324. The cubic root of 927861997 is about 975.3514392080.

The spelling of 927861997 in words is "nine hundred twenty-seven million, eight hundred sixty-one thousand, nine hundred ninety-seven".