84068847 has 20 divisors (see below), whose sum is σ = 128983096. Its totient is φ = 54529200.

The previous prime is 84068839. The next prime is 84068861. The reversal of 84068847 is 74886048.

It is not a de Polignac number, because 84068847 - 2³ = 84068839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84068837) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11029 + ... + 17022.

Almost surely, 2^84068847 is an apocalyptic number.

84068847 is a deficient number, since it is larger than the sum of its proper divisors (44914249).

84068847 is a wasteful number, since it uses less digits than its factorization.

84068847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28100 (or 28091 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 84068847 is about 9168.9065324061. The cubic root of 84068847 is about 438.0715308208.

The spelling of 84068847 in words is "eighty-four million, sixty-eight thousand, eight hundred forty-seven".