84969071 has 4 divisors (see below), whose sum is σ = 92693544. Its totient is φ = 77244600.

The previous prime is 84969029. The next prime is 84969103. The reversal of 84969071 is 17096948.

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 84969071 - 2¹⁸ = 84706927 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84969011) 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, 3862220 + ... + 3862241.

It is an arithmetic number, because the mean of its divisors is an integer number (23173386).

Almost surely, 2^84969071 is an apocalyptic number.

84969071 is a deficient number, since it is larger than the sum of its proper divisors (7724473).

84969071 is a wasteful number, since it uses less digits than its factorization.

84969071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7724472.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 84969071 is about 9217.8669441471. The cubic root of 84969071 is about 439.6296315129.

The spelling of 84969071 in words is "eighty-four million, nine hundred sixty-nine thousand, seventy-one".