84420388700 has 18 divisors (see below), whose sum is σ = 183192243696. Its totient is φ = 33768155440.

The previous prime is 84420388693. The next prime is 84420388747. The reversal of 84420388700 is 788302448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 422101844 + ... + 422102043.

It is an arithmetic number, because the mean of its divisors is an integer number (10177346872).

Almost surely, 2^84420388700 is an apocalyptic number.

It is an amenable number.

84420388700 is an abundant number, since it is smaller than the sum of its proper divisors (98771854996).

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

84420388700 is a wasteful number, since it uses less digits than its factorization.

84420388700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844203901 (or 844203894 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 84420388700 in words is "eighty-four billion, four hundred twenty million, three hundred eighty-eight thousand, seven hundred".