84669867 has 10 divisors (see below), whose sum is σ = 126482268. Its totient is φ = 56446524.

The previous prime is 84669863. The next prime is 84669887. The reversal of 84669867 is 76896648.

It is not a de Polignac number, because 84669867 - 2² = 84669863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84669863) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 522573 + ... + 522734.

Almost surely, 2^84669867 is an apocalyptic number.

84669867 is a deficient number, since it is larger than the sum of its proper divisors (41812401).

84669867 is a wasteful number, since it uses less digits than its factorization.

84669867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045319 (or 1045310 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 84669867 is about 9201.6230633514. The cubic root of 84669867 is about 439.1129978612.

The spelling of 84669867 in words is "eighty-four million, six hundred sixty-nine thousand, eight hundred sixty-seven".