84245853530916 has 243 divisors, whose sum is σ = 272304195765147. Its totient is φ = 21880938451680.

The previous prime is 84245853530899. The next prime is 84245853530953. The reversal of 84245853530916 is 61903535854248.

The square root of 84245853530916 is 9178554.

It is a perfect power (a square), and thus also a powerful number.

84245853530916 is a `hidden beast` number, since 8 + 4 + 2 + 4 + 5 + 8 + 5 + 3 + 530 + 91 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4240482015 + ... + 4240501881.

Almost surely, 2^{84245853530916} is an apocalyptic number.

84245853530916 is the 9178554-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84245853530916

84245853530916 is an abundant number, since it is smaller than the sum of its proper divisors (188058342234231).

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

84245853530916 is a wasteful number, since it uses less digits than its factorization.

84245853530916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39780 (or 19890 counting only the distinct ones).

The product of its (nonzero) digits is 124416000, while the sum is 63.

The spelling of 84245853530916 in words is "eighty-four trillion, two hundred forty-five billion, eight hundred fifty-three million, five hundred thirty thousand, nine hundred sixteen".