1085366687 has 4 divisors (see below), whose sum is σ = 1085822640. Its totient is φ = 1084910736.

The previous prime is 1085366669. The next prime is 1085366693. The reversal of 1085366687 is 7866635801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1085366687 - 2²⁸ = 816931231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085366647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224387 + ... + 229172.

It is an arithmetic number, because the mean of its divisors is an integer number (271455660).

Almost surely, 2^1085366687 is an apocalyptic number.

1085366687 is a deficient number, since it is larger than the sum of its proper divisors (455953).

1085366687 is an equidigital number, since it uses as much as digits as its factorization.

1085366687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455952.

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

The square root of 1085366687 is about 32944.9038092388. The cubic root of 1085366687 is about 1027.6821878246.

The spelling of 1085366687 in words is "one billion, eighty-five million, three hundred sixty-six thousand, six hundred eighty-seven".