83085352811858 has 4 divisors (see below), whose sum is σ = 124628029217790. Its totient is φ = 41542676405928.

The previous prime is 83085352811803. The next prime is 83085352811887. The reversal of 83085352811858 is 85811825358038.

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

It can be written as a sum of positive squares in only one way, i.e., 52610172304369 + 30475180507489 = 7253287^2 + 5520433^2 .

It is a junction number, because it is equal to n+sod(n) for n = 83085352811794 and 83085352811803.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20771338202963 + ... + 20771338202966.

Almost surely, 2^{83085352811858} is an apocalyptic number.

83085352811858 is a deficient number, since it is larger than the sum of its proper divisors (41542676405932).

83085352811858 is a wasteful number, since it uses less digits than its factorization.

83085352811858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41542676405931.

The product of its (nonzero) digits is 73728000, while the sum is 65.

The spelling of 83085352811858 in words is "eighty-three trillion, eighty-five billion, three hundred fifty-two million, eight hundred eleven thousand, eight hundred fifty-eight".