84712223 has 4 divisors (see below), whose sum is σ = 85063968. Its totient is φ = 84360480.

The previous prime is 84712217. The next prime is 84712231. The reversal of 84712223 is 32221748.

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 84712223 - 2²² = 80517919 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 (84711223) 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, 175511 + ... + 175992.

It is an arithmetic number, because the mean of its divisors is an integer number (21265992).

Almost surely, 2^84712223 is an apocalyptic number.

84712223 is a deficient number, since it is larger than the sum of its proper divisors (351745).

84712223 is a wasteful number, since it uses less digits than its factorization.

84712223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351744.

The product of its digits is 5376, while the sum is 29.

The square root of 84712223 is about 9203.9243260687. The cubic root of 84712223 is about 439.1862075727.

The spelling of 84712223 in words is "eighty-four million, seven hundred twelve thousand, two hundred twenty-three".