827871983 has 2 divisors, whose sum is σ = 827871984. Its totient is φ = 827871982.

The previous prime is 827871973. The next prime is 827872007. The reversal of 827871983 is 389178728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 827871983 - 2⁸ = 827871727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827871953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413935991 + 413935992.

It is an arithmetic number, because the mean of its divisors is an integer number (413935992).

Almost surely, 2^827871983 is an apocalyptic number.

827871983 is a deficient number, since it is larger than the sum of its proper divisors (1).

827871983 is an equidigital number, since it uses as much as digits as its factorization.

827871983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 53.

The square root of 827871983 is about 28772.7646047438. The cubic root of 827871983 is about 938.9757906598.

The spelling of 827871983 in words is "eight hundred twenty-seven million, eight hundred seventy-one thousand, nine hundred eighty-three".