84706433988072 has 192 divisors, whose sum is σ = 239294843568000. Its totient is φ = 24928648842240.

The previous prime is 84706433988017. The next prime is 84706433988101. The reversal of 84706433988072 is 27088933460748.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a junction number, because it is equal to n+sod(n) for n = 84706433987988 and 84706433988006.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2423698054 + ... + 2423733002.

It is an arithmetic number, because the mean of its divisors is an integer number (1246327310250).

Almost surely, 2^{84706433988072} 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 84706433988072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119647421784000).

84706433988072 is an abundant number, since it is smaller than the sum of its proper divisors (154588409579928).

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

84706433988072 is a wasteful number, since it uses less digits than its factorization.

84706433988072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60988 (or 60971 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 69.

The spelling of 84706433988072 in words is "eighty-four trillion, seven hundred six billion, four hundred thirty-three million, nine hundred eighty-eight thousand, seventy-two".