84923881860 has 96 divisors (see below), whose sum is σ = 245952000000. Its totient is φ = 21871681920.

The previous prime is 84923881849. The next prime is 84923881879. The reversal of 84923881860 is 6818832948.

It is a self number, because there is not a number n which added to its sum of digits gives 84923881860.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 882391 + ... + 973889.

It is an arithmetic number, because the mean of its divisors is an integer number (2562000000).

Almost surely, 2^84923881860 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 84923881860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122976000000).

84923881860 is an abundant number, since it is smaller than the sum of its proper divisors (161028118140).

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

84923881860 is a wasteful number, since it uses less digits than its factorization.

84923881860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92041 (or 92039 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 57.

The spelling of 84923881860 in words is "eighty-four billion, nine hundred twenty-three million, eight hundred eighty-one thousand, eight hundred sixty".