858103085827 has 4 divisors (see below), whose sum is σ = 924111015520. Its totient is φ = 792095156136.

The previous prime is 858103085809. The next prime is 858103085867. The reversal of 858103085827 is 728580301858.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-858103085827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (858103085867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33003964827 + ... + 33003964852.

It is an arithmetic number, because the mean of its divisors is an integer number (231027753880).

Almost surely, 2^858103085827 is an apocalyptic number.

858103085827 is a deficient number, since it is larger than the sum of its proper divisors (66007929693).

858103085827 is a wasteful number, since it uses less digits than its factorization.

858103085827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66007929692.

The product of its (nonzero) digits is 4300800, while the sum is 55.

The spelling of 858103085827 in words is "eight hundred fifty-eight billion, one hundred three million, eighty-five thousand, eight hundred twenty-seven".