93768109 has 2 divisors, whose sum is σ = 93768110. Its totient is φ = 93768108.

The previous prime is 93768089. The next prime is 93768113. The reversal of 93768109 is 90186739.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69973225 + 23794884 = 8365^2 + 4878^2 .

It is an emirp because it is prime and its reverse (90186739) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93768109 - 2⁷ = 93767981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93768139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46884054 + 46884055.

It is an arithmetic number, because the mean of its divisors is an integer number (46884055).

Almost surely, 2^93768109 is an apocalyptic number.

It is an amenable number.

93768109 is a deficient number, since it is larger than the sum of its proper divisors (1).

93768109 is an equidigital number, since it uses as much as digits as its factorization.

93768109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 93768109 is about 9683.3934651030. The cubic root of 93768109 is about 454.3093963132.

The spelling of 93768109 in words is "ninety-three million, seven hundred sixty-eight thousand, one hundred nine".