84245600052 has 36 divisors (see below), whose sum is σ = 215062621956. Its totient is φ = 27803827200.

The previous prime is 84245600009. The next prime is 84245600113. The reversal of 84245600052 is 25000654248.

It is a happy number.

84245600052 is a `hidden beast` number, since 8 + 4 + 2 + 45 + 600 + 0 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40850877456 + 43394722596 = 202116^2 + 208314^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×84245600052² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11581293 + ... + 11588564.

It is an arithmetic number, because the mean of its divisors is an integer number (5973961721).

Almost surely, 2^84245600052 is an apocalyptic number.

It is an amenable number.

84245600052 is an abundant number, since it is smaller than the sum of its proper divisors (130817021904).

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

84245600052 is a wasteful number, since it uses less digits than its factorization.

84245600052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23169968 (or 23169963 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 84245600052 in words is "eighty-four billion, two hundred forty-five million, six hundred thousand, fifty-two".