84695671 has 4 divisors (see below), whose sum is σ = 85534344. Its totient is φ = 83857000.

The previous prime is 84695659. The next prime is 84695719. The reversal of 84695671 is 17659648.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84695671 is a prime.

It is a super-2 number, since 2×84695671² = 14346713372280482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84695641) 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, 419185 + ... + 419386.

It is an arithmetic number, because the mean of its divisors is an integer number (21383586).

Almost surely, 2^84695671 is an apocalyptic number.

84695671 is a deficient number, since it is larger than the sum of its proper divisors (838673).

84695671 is a wasteful number, since it uses less digits than its factorization.

84695671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838672.

The product of its digits is 362880, while the sum is 46.

The square root of 84695671 is about 9203.0251004765. The cubic root of 84695671 is about 439.1576013757.

The spelling of 84695671 in words is "eighty-four million, six hundred ninety-five thousand, six hundred seventy-one".