2085345667 has 8 divisors (see below), whose sum is σ = 2124657216. Its totient is φ = 2046324672.

The previous prime is 2085345643. The next prime is 2085345671. The reversal of 2085345667 is 7665435802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2085345667 - 2⁷ = 2085345539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085345607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58123 + ... + 86884.

It is an arithmetic number, because the mean of its divisors is an integer number (265582152).

Almost surely, 2^2085345667 is an apocalyptic number.

2085345667 is a deficient number, since it is larger than the sum of its proper divisors (39311549).

2085345667 is a wasteful number, since it uses less digits than its factorization.

2085345667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145277.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The square root of 2085345667 is about 45665.5851489938. The cubic root of 2085345667 is about 1277.5934737307.

The spelling of 2085345667 in words is "two billion, eighty-five million, three hundred forty-five thousand, six hundred sixty-seven".