92988281 has 2 divisors, whose sum is σ = 92988282. Its totient is φ = 92988280.

The previous prime is 92988277. The next prime is 92988323. The reversal of 92988281 is 18288929.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68890000 + 24098281 = 8300^2 + 4909^2 .

It is an emirp because it is prime and its reverse (18288929) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 92988281 - 2² = 92988277 is a prime.

It is a super-2 number, since 2×92988281² = 17293640806669922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (92988211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46494140 + 46494141.

It is an arithmetic number, because the mean of its divisors is an integer number (46494141).

Almost surely, 2^92988281 is an apocalyptic number.

92988281 is the 4313-rd centered decagonal number.

It is an amenable number.

92988281 is a deficient number, since it is larger than the sum of its proper divisors (1).

92988281 is an equidigital number, since it uses as much as digits as its factorization.

92988281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 47.

The square root of 92988281 is about 9643.0431400051. The cubic root of 92988281 is about 453.0464584345.

The spelling of 92988281 in words is "ninety-two million, nine hundred eighty-eight thousand, two hundred eighty-one".