84952109 has 4 divisors (see below), whose sum is σ = 92675040. Its totient is φ = 77229180.

The previous prime is 84952103. The next prime is 84952129. The reversal of 84952109 is 90125948.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84952109 - 2¹² = 84948013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84952103) 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, 3861449 + ... + 3861470.

It is an arithmetic number, because the mean of its divisors is an integer number (23168760).

Almost surely, 2^84952109 is an apocalyptic number.

It is an amenable number.

84952109 is a deficient number, since it is larger than the sum of its proper divisors (7722931).

84952109 is a wasteful number, since it uses less digits than its factorization.

84952109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7722930.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 84952109 is about 9216.9468372124. The cubic root of 84952109 is about 439.6003757928.

The spelling of 84952109 in words is "eighty-four million, nine hundred fifty-two thousand, one hundred nine".