84977226 has 48 divisors (see below), whose sum is σ = 194515776. Its totient is φ = 26756928.

The previous prime is 84977201. The next prime is 84977227. The reversal of 84977226 is 62277948.

It is a super-2 number, since 2×84977226² = 14442257877310152, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84977227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33126 + ... + 35598.

It is an arithmetic number, because the mean of its divisors is an integer number (4052412).

Almost surely, 2^84977226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84977226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97257888).

84977226 is an abundant number, since it is smaller than the sum of its proper divisors (109538550).

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

84977226 is a wasteful number, since it uses less digits than its factorization.

84977226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587 (or 2584 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 84977226 is about 9218.3092809907. The cubic root of 84977226 is about 439.6436957087.

The spelling of 84977226 in words is "eighty-four million, nine hundred seventy-seven thousand, two hundred twenty-six".