84641124219520 has 256 divisors, whose sum is σ = 222551255548800. Its totient is φ = 30526473830400.

The previous prime is 84641124219517. The next prime is 84641124219527. The reversal of 84641124219520 is 2591242114648.

It is not an unprimeable number, because it can be changed into a prime (84641124219527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1088859055 + ... + 1088936785.

Almost surely, 2^{84641124219520} is an apocalyptic number.

84641124219520 is a gapful number since it is divisible by the number (80) 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 84641124219520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111275627774400).

84641124219520 is an abundant number, since it is smaller than the sum of its proper divisors (137910131329280).

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

84641124219520 is a wasteful number, since it uses less digits than its factorization.

84641124219520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79027 (or 79015 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 84641124219520 in words is "eighty-four trillion, six hundred forty-one billion, one hundred twenty-four million, two hundred nineteen thousand, five hundred twenty".