84225477 has 16 divisors (see below), whose sum is σ = 128564352. Its totient is φ = 48046080.

The previous prime is 84225413. The next prime is 84225553. The reversal of 84225477 is 77452248.

It is not a de Polignac number, because 84225477 - 2⁶ = 84225413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84225877) 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, 10333 + ... + 16589.

It is an arithmetic number, because the mean of its divisors is an integer number (8035272).

Almost surely, 2^84225477 is an apocalyptic number.

It is an amenable number.

84225477 is a deficient number, since it is larger than the sum of its proper divisors (44338875).

84225477 is a wasteful number, since it uses less digits than its factorization.

84225477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6908.

The product of its digits is 125440, while the sum is 39.

The square root of 84225477 is about 9177.4439251896. The cubic root of 84225477 is about 438.3434213713.

The spelling of 84225477 in words is "eighty-four million, two hundred twenty-five thousand, four hundred seventy-seven".