84427039125 has 672 divisors, whose sum is σ = 203190973440. Its totient is φ = 34642080000.

The previous prime is 84427039111. The next prime is 84427039127. The reversal of 84427039125 is 52193072448.

It is not a de Polignac number, because 84427039125 - 2⁸ = 84427038869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84427039127) by changing a digit.

It is a polite number, since it can be written in 671 ways as a sum of consecutive naturals, for example, 2723452860 + ... + 2723452890.

It is an arithmetic number, because the mean of its divisors is an integer number (302367520).

Almost surely, 2^84427039125 is an apocalyptic number.

It is an amenable number.

84427039125 is an abundant number, since it is smaller than the sum of its proper divisors (118763934315).

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

84427039125 is a wasteful number, since it uses less digits than its factorization.

84427039125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 84427039125 in words is "eighty-four billion, four hundred twenty-seven million, thirty-nine thousand, one hundred twenty-five".