84622716576 has 168 divisors, whose sum is σ = 256540814964. Its totient is φ = 27444925440.

The previous prime is 84622716571. The next prime is 84622716593. The reversal of 84622716576 is 67561722648.

It is a happy number.

84622716576 is a `hidden beast` number, since 8 + 4 + 62 + 2 + 7 + 1 + 6 + 576 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 73075064976 + 11547651600 = 270324^2 + 107460^2 .

It is a super-2 number, since 2×84622716576² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (84622716571) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 814116 + ... + 912156.

Almost surely, 2^84622716576 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 84622716576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128270407482).

84622716576 is an abundant number, since it is smaller than the sum of its proper divisors (171918098388).

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

84622716576 is an equidigital number, since it uses as much as digits as its factorization.

84622716576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98106 (or 98083 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 84622716576 in words is "eighty-four billion, six hundred twenty-two million, seven hundred sixteen thousand, five hundred seventy-six".