83125242109 has 8 divisors (see below), whose sum is σ = 102307990400. Its totient is φ = 65769422256.

The previous prime is 83125242077. The next prime is 83125242143. The reversal of 83125242109 is 90124252138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83125242109 - 2⁵ = 83125242077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83125240109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456732009 + ... + 456732190.

It is an arithmetic number, because the mean of its divisors is an integer number (12788498800).

Almost surely, 2^83125242109 is an apocalyptic number.

It is an amenable number.

83125242109 is a deficient number, since it is larger than the sum of its proper divisors (19182748291).

83125242109 is a wasteful number, since it uses less digits than its factorization.

83125242109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913464219.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 83125242109 in words is "eighty-three billion, one hundred twenty-five million, two hundred forty-two thousand, one hundred nine".