84289775028 has 48 divisors (see below), whose sum is σ = 198691691520. Its totient is φ = 27808848000.

The previous prime is 84289774991. The next prime is 84289775057. The reversal of 84289775028 is 82057798248.

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, 4099638 + ... + 4120146.

It is an arithmetic number, because the mean of its divisors is an integer number (4139410240).

Almost surely, 2^84289775028 is an apocalyptic number.

It is an amenable number.

84289775028 is an abundant number, since it is smaller than the sum of its proper divisors (114401916492).

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

84289775028 is a wasteful number, since it uses less digits than its factorization.

84289775028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24008 (or 24006 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 60.

The spelling of 84289775028 in words is "eighty-four billion, two hundred eighty-nine million, seven hundred seventy-five thousand, twenty-eight".