84412047 has 16 divisors (see below), whose sum is σ = 119946240. Its totient is φ = 52680672.

The previous prime is 84412037. The next prime is 84412049. The reversal of 84412047 is 74021448.

It is not a de Polignac number, because 84412047 - 2¹⁶ = 84346511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84412049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9772 + ... + 16257.

It is an arithmetic number, because the mean of its divisors is an integer number (7496640).

Almost surely, 2^84412047 is an apocalyptic number.

84412047 is a deficient number, since it is larger than the sum of its proper divisors (35534193).

84412047 is a wasteful number, since it uses less digits than its factorization.

84412047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26102.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 84412047 is about 9187.6028973830. The cubic root of 84412047 is about 438.6668445746. Note that the first 3 decimals are identical.

The spelling of 84412047 in words is "eighty-four million, four hundred twelve thousand, forty-seven".