83892889 has 2 divisors, whose sum is σ = 83892890. Its totient is φ = 83892888.

The previous prime is 83892883. The next prime is 83892901. The reversal of 83892889 is 98829838.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83265625 + 627264 = 9125^2 + 792^2 .

It is a cyclic number.

It is not a de Polignac number, because 83892889 - 2³ = 83892881 is a prime.

It is not a weakly prime, because it can be changed into another prime (83892881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41946444 + 41946445.

It is an arithmetic number, because the mean of its divisors is an integer number (41946445).

Almost surely, 2^83892889 is an apocalyptic number.

It is an amenable number.

83892889 is a deficient number, since it is larger than the sum of its proper divisors (1).

83892889 is an equidigital number, since it uses as much as digits as its factorization.

83892889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 55.

The square root of 83892889 is about 9159.3061418428. The cubic root of 83892889 is about 437.7656861310.

The spelling of 83892889 in words is "eighty-three million, eight hundred ninety-two thousand, eight hundred eighty-nine".