1868414827 has 4 divisors (see below), whose sum is σ = 1869115456. Its totient is φ = 1867714200.

The previous prime is 1868414819. The next prime is 1868414831. The reversal of 1868414827 is 7284148681.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7284148681 = 10993 ⋅662617.

It is a cyclic number.

It is not a de Polignac number, because 1868414827 - 2³ = 1868414819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1868414897) 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, 346299 + ... + 351652.

It is an arithmetic number, because the mean of its divisors is an integer number (467278864).

Almost surely, 2^1868414827 is an apocalyptic number.

1868414827 is a deficient number, since it is larger than the sum of its proper divisors (700629).

1868414827 is an equidigital number, since it uses as much as digits as its factorization.

1868414827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700628.

The product of its digits is 688128, while the sum is 49.

The square root of 1868414827 is about 43225.1642796184. The cubic root of 1868414827 is about 1231.6607497891.

The spelling of 1868414827 in words is "one billion, eight hundred sixty-eight million, four hundred fourteen thousand, eight hundred twenty-seven".