85683711851 has 4 divisors (see below), whose sum is σ = 85782998592. Its totient is φ = 85584425112.

The previous prime is 85683711829. The next prime is 85683711859. The reversal of 85683711851 is 15811738658.

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

It is a cyclic number.

It is not a de Polignac number, because 85683711851 - 2⁶ = 85683711787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85683711793 and 85683711802.

It is not an unprimeable number, because it can be changed into a prime (85683711859) 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 3 ways as a sum of consecutive naturals, for example, 49642076 + ... + 49643801.

It is an arithmetic number, because the mean of its divisors is an integer number (21445749648).

Almost surely, 2^85683711851 is an apocalyptic number.

85683711851 is a deficient number, since it is larger than the sum of its proper divisors (99286741).

85683711851 is an equidigital number, since it uses as much as digits as its factorization.

85683711851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99286740.

The product of its digits is 1612800, while the sum is 53.

The spelling of 85683711851 in words is "eighty-five billion, six hundred eighty-three million, seven hundred eleven thousand, eight hundred fifty-one".