996870143 has 2 divisors, whose sum is σ = 996870144. Its totient is φ = 996870142.

The previous prime is 996870103. The next prime is 996870151. The reversal of 996870143 is 341078699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 996870143 - 2⁶ = 996870079 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 (996870103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498435071 + 498435072.

It is an arithmetic number, because the mean of its divisors is an integer number (498435072).

Almost surely, 2^996870143 is an apocalyptic number.

996870143 is a deficient number, since it is larger than the sum of its proper divisors (1).

996870143 is an equidigital number, since it uses as much as digits as its factorization.

996870143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 996870143 is about 31573.2504345055. The cubic root of 996870143 is about 998.9556239918.

The spelling of 996870143 in words is "nine hundred ninety-six million, eight hundred seventy thousand, one hundred forty-three".