84062989836 has 192 divisors, whose sum is σ = 255577907200. Its totient is φ = 23394111552.

The previous prime is 84062989831. The next prime is 84062989837. The reversal of 84062989836 is 63898926048.

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

It is not an unprimeable number, because it can be changed into a prime (84062989831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12317121 + ... + 12323943.

Almost surely, 2^84062989836 is an apocalyptic number.

84062989836 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84062989836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127788953600).

84062989836 is an abundant number, since it is smaller than the sum of its proper divisors (171514917364).

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

84062989836 is a wasteful number, since it uses less digits than its factorization.

84062989836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7265 (or 7257 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 84062989836 in words is "eighty-four billion, sixty-two million, nine hundred eighty-nine thousand, eight hundred thirty-six".