84422789136 has 225 divisors, whose sum is σ = 284483683341. Its totient is φ = 24099876864.

The previous prime is 84422789119. The next prime is 84422789153. The reversal of 84422789136 is 63198722448.

The square root of 84422789136 is 290556.

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

84422789136 is a `hidden beast` number, since 8 + 4 + 422 + 7 + 89 + 136 = 666.

It is an interprime number because it is at equal distance from previous prime (84422789119) and next prime (84422789153).

It can be written as a sum of positive squares in only one way, i.e., 66718890000 + 17703899136 = 258300^2 + 133056^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 73219536 + ... + 73220688.

Almost surely, 2^84422789136 is an apocalyptic number.

84422789136 is the 290556-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84422789136

84422789136 is an abundant number, since it is smaller than the sum of its proper divisors (200060894205).

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

84422789136 is an equidigital number, since it uses as much as digits as its factorization.

84422789136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340 (or 1165 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 84422789136 in words is "eighty-four billion, four hundred twenty-two million, seven hundred eighty-nine thousand, one hundred thirty-six".