83070109685 has 16 divisors (see below), whose sum is σ = 100918016640. Its totient is φ = 65634020160.

The previous prime is 83070109679. The next prime is 83070109687. The reversal of 83070109685 is 58690107038.

It is a happy number.

It is not a de Polignac number, because 83070109685 - 2¹⁰ = 83070108661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83070109687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309040 + ... + 1371030.

It is an arithmetic number, because the mean of its divisors is an integer number (6307376040).

Almost surely, 2^83070109685 is an apocalyptic number.

It is an amenable number.

83070109685 is a deficient number, since it is larger than the sum of its proper divisors (17847906955).

83070109685 is a wasteful number, since it uses less digits than its factorization.

83070109685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65308.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 83070109685 in words is "eighty-three billion, seventy million, one hundred nine thousand, six hundred eighty-five".