84205375092 has 30 divisors (see below), whose sum is σ = 220129484498. Its totient is φ = 28068458256.

The previous prime is 84205375061. The next prime is 84205375099. The reversal of 84205375092 is 29057350248.

84205375092 is a `hidden beast` number, since 8 + 4 + 20 + 537 + 5 + 0 + 92 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53858341476 + 30347033616 = 232074^2 + 174204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84205375099) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 129946243 + ... + 129946890.

Almost surely, 2^84205375092 is an apocalyptic number.

It is an amenable number.

84205375092 is an abundant number, since it is smaller than the sum of its proper divisors (135924109406).

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

84205375092 is a wasteful number, since it uses less digits than its factorization.

84205375092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259893149 (or 259893138 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 84205375092 in words is "eighty-four billion, two hundred five million, three hundred seventy-five thousand, ninety-two".