84677868 has 36 divisors (see below), whose sum is σ = 233506728. Its totient is φ = 25659840.

The previous prime is 84677843. The next prime is 84677891. The reversal of 84677868 is 86877648.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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, 106521 + ... + 107312.

It is an arithmetic number, because the mean of its divisors is an integer number (6486298).

Almost surely, 2^84677868 is an apocalyptic number.

It is an amenable number.

84677868 is an abundant number, since it is smaller than the sum of its proper divisors (148828860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84677868 is a wasteful number, since it uses less digits than its factorization.

84677868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213854 (or 213849 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 84677868 is about 9202.0578133372. The cubic root of 84677868 is about 439.1268289622.

The spelling of 84677868 in words is "eighty-four million, six hundred seventy-seven thousand, eight hundred sixty-eight".