84776223 has 16 divisors (see below), whose sum is σ = 131820800. Its totient is φ = 48442968.

The previous prime is 84776191. The next prime is 84776231. The reversal of 84776223 is 32267748.

It is not a de Polignac number, because 84776223 - 2⁵ = 84776191 is a prime.

It is a super-2 number, since 2×84776223² = 14374015972291458, 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 (84776273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40165 + ... + 42222.

It is an arithmetic number, because the mean of its divisors is an integer number (8238800).

Almost surely, 2^84776223 is an apocalyptic number.

84776223 is a deficient number, since it is larger than the sum of its proper divisors (47044577).

84776223 is an equidigital number, since it uses as much as digits as its factorization.

84776223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82411 (or 82397 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 84776223 is about 9207.4004474662. The cubic root of 84776223 is about 439.2967813119.

The spelling of 84776223 in words is "eighty-four million, seven hundred seventy-six thousand, two hundred twenty-three".