398877632143 has 2 divisors, whose sum is σ = 398877632144. Its totient is φ = 398877632142.

The previous prime is 398877632141. The next prime is 398877632243. The reversal of 398877632143 is 341236778893.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 398877632143 - 2¹ = 398877632141 is a prime.

It is a super-4 number, since 4×398877632143⁴ (a number of 48 digits) contains 4444 as substring.

Together with 398877632141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398877632141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199438816071 + 199438816072.

It is an arithmetic number, because the mean of its divisors is an integer number (199438816072).

Almost surely, 2^398877632143 is an apocalyptic number.

398877632143 is a deficient number, since it is larger than the sum of its proper divisors (1).

398877632143 is an equidigital number, since it uses as much as digits as its factorization.

398877632143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36578304, while the sum is 61.

The spelling of 398877632143 in words is "three hundred ninety-eight billion, eight hundred seventy-seven million, six hundred thirty-two thousand, one hundred forty-three".