83425918428 has 36 divisors (see below), whose sum is σ = 221981246760. Its totient is φ = 26345026656.

The previous prime is 83425918417. The next prime is 83425918441. The reversal of 83425918428 is 82481952438.

83425918428 is a `hidden beast` number, since 8 + 3 + 4 + 2 + 591 + 8 + 42 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (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, 60983175 + ... + 60984542.

Almost surely, 2^83425918428 is an apocalyptic number.

It is an amenable number.

83425918428 is an abundant number, since it is smaller than the sum of its proper divisors (138555328332).

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

83425918428 is a wasteful number, since it uses less digits than its factorization.

83425918428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121967746 (or 121967741 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The spelling of 83425918428 in words is "eighty-three billion, four hundred twenty-five million, nine hundred eighteen thousand, four hundred twenty-eight".