84605387700 has 144 divisors (see below), whose sum is σ = 252458744384. Its totient is φ = 21859891200.

The previous prime is 84605387683. The next prime is 84605387773. The reversal of 84605387700 is 778350648.

It is a super-2 number, since 2×84605387700² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84605387700.

It is a congruent number.

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, 2659287 + ... + 2690913.

Almost surely, 2^84605387700 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 84605387700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126229372192).

84605387700 is an abundant number, since it is smaller than the sum of its proper divisors (167853356684).

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

84605387700 is a wasteful number, since it uses less digits than its factorization.

84605387700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31922 (or 31915 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 84605387700 in words is "eighty-four billion, six hundred five million, three hundred eighty-seven thousand, seven hundred".