986870543 has 2 divisors, whose sum is σ = 986870544. Its totient is φ = 986870542.

The previous prime is 986870527. The next prime is 986870561. The reversal of 986870543 is 345078689.

It is a weak prime.

It is an emirp because it is prime and its reverse (345078689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 986870543 - 2⁴ = 986870527 is a prime.

It is a super-2 number, since 2×986870543² = 1947826937282229698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 986870491 and 986870500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986870243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493435271 + 493435272.

It is an arithmetic number, because the mean of its divisors is an integer number (493435272).

Almost surely, 2^986870543 is an apocalyptic number.

986870543 is a deficient number, since it is larger than the sum of its proper divisors (1).

986870543 is an equidigital number, since it uses as much as digits as its factorization.

986870543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 986870543 is about 31414.4957463907. The cubic root of 986870543 is about 995.6042197625.

The spelling of 986870543 in words is "nine hundred eighty-six million, eight hundred seventy thousand, five hundred forty-three".