83230891 has 2 divisors, whose sum is σ = 83230892. Its totient is φ = 83230890.

The previous prime is 83230867. The next prime is 83230909. The reversal of 83230891 is 19803238.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83230891 - 2¹⁵ = 83198123 is a prime.

It is not a weakly prime, because it can be changed into another prime (83230801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41615445 + 41615446.

It is an arithmetic number, because the mean of its divisors is an integer number (41615446).

Almost surely, 2^83230891 is an apocalyptic number.

83230891 is a deficient number, since it is larger than the sum of its proper divisors (1).

83230891 is an equidigital number, since it uses as much as digits as its factorization.

83230891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 83230891 is about 9123.0965685999. The cubic root of 83230891 is about 436.6111757339.

The spelling of 83230891 in words is "eighty-three million, two hundred thirty thousand, eight hundred ninety-one".