84723822 has 24 divisors (see below), whose sum is σ = 184126176. Its totient is φ = 28155456.

The previous prime is 84723781. The next prime is 84723829. The reversal of 84723822 is 22832748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84723829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 918 + ... + 13049.

It is an arithmetic number, because the mean of its divisors is an integer number (7671924).

Almost surely, 2^84723822 is an apocalyptic number.

84723822 is an abundant number, since it is smaller than the sum of its proper divisors (99402354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84723822 is a wasteful number, since it uses less digits than its factorization.

84723822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14312 (or 14309 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 84723822 is about 9204.5544161573. The cubic root of 84723822 is about 439.2062514663.

The spelling of 84723822 in words is "eighty-four million, seven hundred twenty-three thousand, eight hundred twenty-two".