84122277 has 8 divisors (see below), whose sum is σ = 112497216. Its totient is φ = 55914432.

The previous prime is 84122267. The next prime is 84122279. The reversal of 84122277 is 77222148.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84122277 - 2⁸ = 84122021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84122279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40593 + ... + 42614.

It is an arithmetic number, because the mean of its divisors is an integer number (14062152).

Almost surely, 2^84122277 is an apocalyptic number.

It is an amenable number.

84122277 is a deficient number, since it is larger than the sum of its proper divisors (28374939).

84122277 is a wasteful number, since it uses less digits than its factorization.

84122277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83547.

The product of its digits is 12544, while the sum is 33.

The square root of 84122277 is about 9171.8197212985. The cubic root of 84122277 is about 438.1643166976.

The spelling of 84122277 in words is "eighty-four million, one hundred twenty-two thousand, two hundred seventy-seven".