84986822 has 4 divisors (see below), whose sum is σ = 127480236. Its totient is φ = 42493410.

The previous prime is 84986821. The next prime is 84986831. The reversal of 84986822 is 22868948.

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

It is a super-3 number, since 3×84986822³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84986821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21246704 + ... + 21246707.

It is an arithmetic number, because the mean of its divisors is an integer number (31870059).

Almost surely, 2^84986822 is an apocalyptic number.

84986822 is a deficient number, since it is larger than the sum of its proper divisors (42493414).

84986822 is a wasteful number, since it uses less digits than its factorization.

84986822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42493413.

The product of its digits is 442368, while the sum is 47.

The square root of 84986822 is about 9218.8297521974. The cubic root of 84986822 is about 439.6602439154.

The spelling of 84986822 in words is "eighty-four million, nine hundred eighty-six thousand, eight hundred twenty-two".