84699331 has 2 divisors, whose sum is σ = 84699332. Its totient is φ = 84699330.

The previous prime is 84699319. The next prime is 84699337. The reversal of 84699331 is 13399648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84699331 - 2⁷ = 84699203 is a prime.

It is a super-2 number, since 2×84699331² = 14347953343695122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84699337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42349665 + 42349666.

It is an arithmetic number, because the mean of its divisors is an integer number (42349666).

Almost surely, 2^84699331 is an apocalyptic number.

84699331 is a deficient number, since it is larger than the sum of its proper divisors (1).

84699331 is an equidigital number, since it uses as much as digits as its factorization.

84699331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 84699331 is about 9203.2239459876. The cubic root of 84699331 is about 439.1639271365.

The spelling of 84699331 in words is "eighty-four million, six hundred ninety-nine thousand, three hundred thirty-one".