834981838880 has 96 divisors (see below), whose sum is σ = 2302418151936. Its totient is φ = 280188417024.

The previous prime is 834981838841. The next prime is 834981838883. The reversal of 834981838880 is 88838189438.

It is a self number, because there is not a number n which added to its sum of digits gives 834981838880.

It is not an unprimeable number, because it can be changed into a prime (834981838883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7878419 + ... + 7983698.

It is an arithmetic number, because the mean of its divisors is an integer number (23983522416).

Almost surely, 2^834981838880 is an apocalyptic number.

834981838880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

834981838880 is an abundant number, since it is smaller than the sum of its proper divisors (1467436313056).

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

834981838880 is a wasteful number, since it uses less digits than its factorization.

834981838880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15862186 (or 15862178 counting only the distinct ones).

The product of its (nonzero) digits is 84934656, while the sum is 68.

The spelling of 834981838880 in words is "eight hundred thirty-four billion, nine hundred eighty-one million, eight hundred thirty-eight thousand, eight hundred eighty".