84427710 has 64 divisors (see below), whose sum is σ = 217216512. Its totient is φ = 20946816.

The previous prime is 84427709. The next prime is 84427723. The reversal of 84427710 is 1772448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23877 + ... + 27183.

It is an arithmetic number, because the mean of its divisors is an integer number (3394008).

Almost surely, 2^84427710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84427710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108608256).

84427710 is an abundant number, since it is smaller than the sum of its proper divisors (132788802).

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

84427710 is a wasteful number, since it uses less digits than its factorization.

84427710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377.

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

The square root of 84427710 is about 9188.4552564618. The cubic root of 84427710 is about 438.6939750381.

The spelling of 84427710 in words is "eighty-four million, four hundred twenty-seven thousand, seven hundred ten".