84875039 has 4 divisors (see below), whose sum is σ = 84906024. Its totient is φ = 84844056.

The previous prime is 84875029. The next prime is 84875051. The reversal of 84875039 is 93057848.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84875039 - 2¹⁶ = 84809503 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 (84875009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10937 + ... + 17010.

It is an arithmetic number, because the mean of its divisors is an integer number (21226506).

Almost surely, 2^84875039 is an apocalyptic number.

84875039 is a deficient number, since it is larger than the sum of its proper divisors (30985).

84875039 is a wasteful number, since it uses less digits than its factorization.

84875039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30984.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 84875039 is about 9212.7650029728. The cubic root of 84875039 is about 439.4673979224.

The spelling of 84875039 in words is "eighty-four million, eight hundred seventy-five thousand, thirty-nine".