84434123025 has 144 divisors (see below), whose sum is σ = 177808036224. Its totient is φ = 37491517440.

The previous prime is 84434122999. The next prime is 84434123087. The reversal of 84434123025 is 52032143448.

84434123025 is a `hidden beast` number, since 8 + 4 + 4 + 341 + 2 + 302 + 5 = 666.

It is not a de Polignac number, because 84434123025 - 2⁷ = 84434122897 is a prime.

It is a super-2 number, since 2×84434123025² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 56933934 + ... + 56935416.

Almost surely, 2^84434123025 is an apocalyptic number.

It is an amenable number.

84434123025 is an abundant number, since it is smaller than the sum of its proper divisors (93373913199).

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

84434123025 is a wasteful number, since it uses less digits than its factorization.

84434123025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520 (or 2512 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 84434123025 in words is "eighty-four billion, four hundred thirty-four million, one hundred twenty-three thousand, twenty-five".