84378036 has 12 divisors (see below), whose sum is σ = 196882112. Its totient is φ = 28126008.

The previous prime is 84377981. The next prime is 84378043. The reversal of 84378036 is 63087348.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 84377985 and 84378003.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3515740 + ... + 3515763.

Almost surely, 2^84378036 is an apocalyptic number.

It is an amenable number.

84378036 is an abundant number, since it is smaller than the sum of its proper divisors (112504076).

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

84378036 is a wasteful number, since it uses less digits than its factorization.

84378036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031510 (or 7031508 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 84378036 is about 9185.7517928583. The cubic root of 84378036 is about 438.6079213016.

The spelling of 84378036 in words is "eighty-four million, three hundred seventy-eight thousand, thirty-six".