84691835320 has 64 divisors (see below), whose sum is σ = 195697555200. Its totient is φ = 32966968320.

The previous prime is 84691835299. The next prime is 84691835329. The reversal of 84691835320 is 2353819648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84691835329) 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, 586041 + ... + 716119.

It is an arithmetic number, because the mean of its divisors is an integer number (3057774300).

Almost surely, 2^84691835320 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 84691835320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97848777600).

84691835320 is an abundant number, since it is smaller than the sum of its proper divisors (111005719880).

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

84691835320 is a wasteful number, since it uses less digits than its factorization.

84691835320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130528 (or 130524 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 84691835320 in words is "eighty-four billion, six hundred ninety-one million, eight hundred thirty-five thousand, three hundred twenty".