1086871853 has 2 divisors, whose sum is σ = 1086871854. Its totient is φ = 1086871852.

The previous prime is 1086871823. The next prime is 1086871879. The reversal of 1086871853 is 3581786801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942919849 + 143952004 = 30707^2 + 11998^2 .

It is a cyclic number.

It is not a de Polignac number, because 1086871853 - 2²² = 1082677549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1086871798 and 1086871807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1086871813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543435926 + 543435927.

It is an arithmetic number, because the mean of its divisors is an integer number (543435927).

Almost surely, 2^1086871853 is an apocalyptic number.

It is an amenable number.

1086871853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086871853 is an equidigital number, since it uses as much as digits as its factorization.

1086871853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 1086871853 is about 32967.7395797771. The cubic root of 1086871853 is about 1028.1570251361.

The spelling of 1086871853 in words is "one billion, eighty-six million, eight hundred seventy-one thousand, eight hundred fifty-three".