84970680 has 64 divisors (see below), whose sum is σ = 256448160. Its totient is φ = 22522368.

The previous prime is 84970651. The next prime is 84970729. The reversal of 84970680 is 8607948.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18714 + ... + 22806.

Almost surely, 2^84970680 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 84970680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128224080).

84970680 is an abundant number, since it is smaller than the sum of its proper divisors (171477480).

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

84970680 is a wasteful number, since it uses less digits than its factorization.

84970680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280 (or 4276 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 84970680 is about 9217.9542198907. The cubic root of 84970680 is about 439.6324064819.

The spelling of 84970680 in words is "eighty-four million, nine hundred seventy thousand, six hundred eighty".