1086688669 has 4 divisors (see below), whose sum is σ = 1185478560. Its totient is φ = 987898780.

The previous prime is 1086688643. The next prime is 1086688693. The reversal of 1086688669 is 9668866801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1086688669 - 2⁷ = 1086688541 is a prime.

It is a super-2 number, since 2×1086688669² = 2361784526665983122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086683669) 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, 49394929 + ... + 49394950.

It is an arithmetic number, because the mean of its divisors is an integer number (296369640).

Almost surely, 2^1086688669 is an apocalyptic number.

It is an amenable number.

1086688669 is a deficient number, since it is larger than the sum of its proper divisors (98789891).

1086688669 is an equidigital number, since it uses as much as digits as its factorization.

1086688669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98789890.

The product of its (nonzero) digits is 5971968, while the sum is 58.

The square root of 1086688669 is about 32964.9612315865. The cubic root of 1086688669 is about 1028.0992592035.

The spelling of 1086688669 in words is "one billion, eighty-six million, six hundred eighty-eight thousand, six hundred sixty-nine".