84669331 has 2 divisors, whose sum is σ = 84669332. Its totient is φ = 84669330.

The previous prime is 84669313. The next prime is 84669337. The reversal of 84669331 is 13396648.

Together with previous prime (84669313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84669331 - 2⁷ = 84669203 is a prime.

It is a super-2 number, since 2×84669331² = 14337791223975122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84669337) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42334665 + 42334666.

It is an arithmetic number, because the mean of its divisors is an integer number (42334666).

Almost surely, 2^84669331 is an apocalyptic number.

84669331 is a deficient number, since it is larger than the sum of its proper divisors (1).

84669331 is an equidigital number, since it uses as much as digits as its factorization.

84669331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 84669331 is about 9201.5939380088. The cubic root of 84669331 is about 439.1120712621.

The spelling of 84669331 in words is "eighty-four million, six hundred sixty-nine thousand, three hundred thirty-one".