84880231 has 2 divisors, whose sum is σ = 84880232. Its totient is φ = 84880230.

The previous prime is 84880193. The next prime is 84880247. The reversal of 84880231 is 13208848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84880231 - 2¹⁵ = 84847463 is a prime.

It is a super-2 number, since 2×84880231² = 14409307229226722, which contains 22 as substring.

It is equal to p_4937191 and since 84880231 and 4937191 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84883231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42440115 + 42440116.

It is an arithmetic number, because the mean of its divisors is an integer number (42440116).

Almost surely, 2^84880231 is an apocalyptic number.

84880231 is a deficient number, since it is larger than the sum of its proper divisors (1).

84880231 is an equidigital number, since it uses as much as digits as its factorization.

84880231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 84880231 is about 9213.0467816027. The cubic root of 84880231 is about 439.4763588145.

The spelling of 84880231 in words is "eighty-four million, eight hundred eighty thousand, two hundred thirty-one".