84656042714880 has 4608 divisors, whose sum is σ = 411246259200000. Its totient is φ = 16321531871232.

The previous prime is 84656042714869. The next prime is 84656042714917. The reversal of 84656042714880 is 8841724065648.

It is a happy number.

84656042714880 is a `hidden beast` number, since 8 + 4 + 6 + 5 + 60 + 427 + 148 + 8 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 84910774542 + ... + 84910775538.

It is an arithmetic number, because the mean of its divisors is an integer number (89246150000).

Almost surely, 2^{84656042714880} is an apocalyptic number.

84656042714880 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 84656042714880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205623129600000).

84656042714880 is an abundant number, since it is smaller than the sum of its proper divisors (326590216485120).

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

84656042714880 is a wasteful number, since it uses less digits than its factorization.

84656042714880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 63.

The spelling of 84656042714880 in words is "eighty-four trillion, six hundred fifty-six billion, forty-two million, seven hundred fourteen thousand, eight hundred eighty".