68827327851 has 4 divisors (see below), whose sum is σ = 91769770472. Its totient is φ = 45884885232.

The previous prime is 68827327843. The next prime is 68827327859. The reversal of 68827327851 is 15872372886.

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

It is an interprime number because it is at equal distance from previous prime (68827327843) and next prime (68827327859).

It is not a de Polignac number, because 68827327851 - 2³ = 68827327843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68827327791 and 68827327800.

It is not an unprimeable number, because it can be changed into a prime (68827327859) 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, 11471221306 + ... + 11471221311.

It is an arithmetic number, because the mean of its divisors is an integer number (22942442618).

Almost surely, 2^68827327851 is an apocalyptic number.

68827327851 is a deficient number, since it is larger than the sum of its proper divisors (22942442621).

68827327851 is a wasteful number, since it uses less digits than its factorization.

68827327851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22942442620.

The product of its digits is 9031680, while the sum is 57.

The spelling of 68827327851 in words is "sixty-eight billion, eight hundred twenty-seven million, three hundred twenty-seven thousand, eight hundred fifty-one".