84939768 has 48 divisors (see below), whose sum is σ = 231103080. Its totient is φ = 28183104.

The previous prime is 84939739. The next prime is 84939781. The reversal of 84939768 is 86793948.

84939768 is a `hidden beast` number, since 8 + 493 + 97 + 68 = 666.

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 11 ways as a sum of consecutive naturals, for example, 13746 + ... + 18942.

Almost surely, 2^84939768 is an apocalyptic number.

It is an amenable number.

84939768 is an abundant number, since it is smaller than the sum of its proper divisors (146163312).

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

84939768 is a wasteful number, since it uses less digits than its factorization.

84939768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436 (or 5429 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 84939768 is about 9216.2773395770. The cubic root of 84939768 is about 439.5790878341.

The spelling of 84939768 in words is "eighty-four million, nine hundred thirty-nine thousand, seven hundred sixty-eight".