1087885193 has 2 divisors, whose sum is σ = 1087885194. Its totient is φ = 1087885192.

The previous prime is 1087885189. The next prime is 1087885213. The reversal of 1087885193 is 3915887801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1086163849 + 1721344 = 32957^2 + 1312^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087885193 - 2² = 1087885189 is a prime.

It is not a weakly prime, because it can be changed into another prime (1087885133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543942596 + 543942597.

It is an arithmetic number, because the mean of its divisors is an integer number (543942597).

Almost surely, 2^1087885193 is an apocalyptic number.

It is an amenable number.

1087885193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087885193 is an equidigital number, since it uses as much as digits as its factorization.

1087885193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 50.

The square root of 1087885193 is about 32983.1046598103. The cubic root of 1087885193 is about 1028.4764583822.

The spelling of 1087885193 in words is "one billion, eighty-seven million, eight hundred eighty-five thousand, one hundred ninety-three".