84668419 has 12 divisors (see below), whose sum is σ = 95235448. Its totient is φ = 75176640.

The previous prime is 84668413. The next prime is 84668431. The reversal of 84668419 is 91486648.

It is not a de Polignac number, because 84668419 - 2³ = 84668411 is a prime.

It is a super-2 number, since 2×84668419² = 14337482351919122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84668411) 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 in 11 ways as a sum of consecutive naturals, for example, 2934 + ... + 13339.

Almost surely, 2^84668419 is an apocalyptic number.

84668419 is a deficient number, since it is larger than the sum of its proper divisors (10567029).

84668419 is a wasteful number, since it uses less digits than its factorization.

84668419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16338 (or 16327 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 84668419 is about 9201.5443812438. The cubic root of 84668419 is about 439.1104946517.

The spelling of 84668419 in words is "eighty-four million, six hundred sixty-eight thousand, four hundred nineteen".