83815056059 has 4 divisors (see below), whose sum is σ = 95788635504. Its totient is φ = 71841476616.

The previous prime is 83815056047. The next prime is 83815056077. The reversal of 83815056059 is 95065051838.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 83815056059 - 2⁴ = 83815056043 is a prime.

It is a super-2 number, since 2×83815056059² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83815055998 and 83815056016.

It is not an unprimeable number, because it can be changed into a prime (83815086059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5986789712 + ... + 5986789725.

It is an arithmetic number, because the mean of its divisors is an integer number (23947158876).

Almost surely, 2^83815056059 is an apocalyptic number.

83815056059 is a deficient number, since it is larger than the sum of its proper divisors (11973579445).

83815056059 is a wasteful number, since it uses less digits than its factorization.

83815056059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11973579444.

The product of its (nonzero) digits is 1296000, while the sum is 50.

The spelling of 83815056059 in words is "eighty-three billion, eight hundred fifteen million, fifty-six thousand, fifty-nine".