84621036272 has 80 divisors (see below), whose sum is σ = 179698811040. Its totient is φ = 38423863296.

The previous prime is 84621036223. The next prime is 84621036299. The reversal of 84621036272 is 27263012648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18873743 + ... + 18878225.

It is an arithmetic number, because the mean of its divisors is an integer number (2246235138).

Almost surely, 2^84621036272 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 84621036272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89849405520).

84621036272 is an abundant number, since it is smaller than the sum of its proper divisors (95077774768).

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

84621036272 is a wasteful number, since it uses less digits than its factorization.

84621036272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6930 (or 6924 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 84621036272 in words is "eighty-four billion, six hundred twenty-one million, thirty-six thousand, two hundred seventy-two".