84508655616 has 600 divisors, whose sum is σ = 315154578816. Its totient is φ = 21923758080.

The previous prime is 84508655611. The next prime is 84508655657. The reversal of 84508655616 is 61655680548.

84508655616 is a `hidden beast` number, since 8 + 4 + 5 + 0 + 86 + 556 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84508655611) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 102186595 + ... + 102187421.

Almost surely, 2^84508655616 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 84508655616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157577289408).

84508655616 is an abundant number, since it is smaller than the sum of its proper divisors (230645923200).

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

84508655616 is an equidigital number, since it uses as much as digits as its factorization.

84508655616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 84508655616 in words is "eighty-four billion, five hundred eight million, six hundred fifty-five thousand, six hundred sixteen".