84452680 has 96 divisors (see below), whose sum is σ = 212700600. Its totient is φ = 30176640.

The previous prime is 84452677. The next prime is 84452707. The reversal of 84452680 is 8625448.

It can be written as a sum of positive squares in 4 ways, for example, as 1387684 + 83064996 = 1178^2 + 9114^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2724265 + ... + 2724295.

Almost surely, 2^84452680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84452680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106350300).

84452680 is an abundant number, since it is smaller than the sum of its proper divisors (128247920).

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

84452680 is a wasteful number, since it uses less digits than its factorization.

84452680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 84452680 is about 9189.8139262991. The cubic root of 84452680 is about 438.7372195637.

The spelling of 84452680 in words is "eighty-four million, four hundred fifty-two thousand, six hundred eighty".