1016840087 has 2 divisors, whose sum is σ = 1016840088. Its totient is φ = 1016840086.

The previous prime is 1016840053. The next prime is 1016840089. The reversal of 1016840087 is 7800486101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1016840087 - 2¹⁰ = 1016839063 is a prime.

Together with 1016840089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016840089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508420043 + 508420044.

It is an arithmetic number, because the mean of its divisors is an integer number (508420044).

Almost surely, 2^1016840087 is an apocalyptic number.

1016840087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016840087 is an equidigital number, since it uses as much as digits as its factorization.

1016840087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 1016840087 is about 31887.9301147001. The cubic root of 1016840087 is about 1005.5821440210.

The spelling of 1016840087 in words is "one billion, sixteen million, eight hundred forty thousand, eighty-seven".