93427861 has 2 divisors, whose sum is σ = 93427862. Its totient is φ = 93427860.

The previous prime is 93427853. The next prime is 93427891. The reversal of 93427861 is 16872439.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47527236 + 45900625 = 6894^2 + 6775^2 .

It is an emirp because it is prime and its reverse (16872439) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93427861 - 2³ = 93427853 is a prime.

It is a super-2 number, since 2×93427861² = 17457530422070642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93427811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46713930 + 46713931.

It is an arithmetic number, because the mean of its divisors is an integer number (46713931).

Almost surely, 2^93427861 is an apocalyptic number.

It is an amenable number.

93427861 is a deficient number, since it is larger than the sum of its proper divisors (1).

93427861 is an equidigital number, since it uses as much as digits as its factorization.

93427861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 93427861 is about 9665.8088642389. The cubic root of 93427861 is about 453.7592262870.

The spelling of 93427861 in words is "ninety-three million, four hundred twenty-seven thousand, eight hundred sixty-one".