83725105158 has 96 divisors (see below), whose sum is σ = 193168160640. Its totient is φ = 26133373440.

The previous prime is 83725105157. The next prime is 83725105159. The reversal of 83725105158 is 85150152738.

83725105158 is a `hidden beast` number, since 8 + 37 + 2 + 510 + 51 + 58 = 666.

It is an interprime number because it is at equal distance from previous prime (83725105157) and next prime (83725105159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83725105157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43357453 + ... + 43359383.

It is an arithmetic number, because the mean of its divisors is an integer number (2012168340).

Almost surely, 2^83725105158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83725105158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96584080320).

83725105158 is an abundant number, since it is smaller than the sum of its proper divisors (109443055482).

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

83725105158 is a wasteful number, since it uses less digits than its factorization.

83725105158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362 (or 3359 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 45.

The spelling of 83725105158 in words is "eighty-three billion, seven hundred twenty-five million, one hundred five thousand, one hundred fifty-eight".