84740717880 has 768 divisors, whose sum is σ = 353241907200. Its totient is φ = 17135677440.

The previous prime is 84740717843. The next prime is 84740717933. The reversal of 84740717880 is 8871704748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 181457407 + ... + 181457873.

It is an arithmetic number, because the mean of its divisors is an integer number (459950400).

Almost surely, 2^84740717880 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 84740717880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176620953600).

84740717880 is an abundant number, since it is smaller than the sum of its proper divisors (268501189320).

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

84740717880 is a wasteful number, since it uses less digits than its factorization.

84740717880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 2809856, while the sum is 54.

The spelling of 84740717880 in words is "eighty-four billion, seven hundred forty million, seven hundred seventeen thousand, eight hundred eighty".