869449667 has 8 divisors (see below), whose sum is σ = 899823600. Its totient is φ = 839101984.

The previous prime is 869449631. The next prime is 869449681. The reversal of 869449667 is 766944968.

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 869449667 - 2¹² = 869445571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (869449627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80684 + ... + 90822.

It is an arithmetic number, because the mean of its divisors is an integer number (112477950).

Almost surely, 2^869449667 is an apocalyptic number.

869449667 is a deficient number, since it is larger than the sum of its proper divisors (30373933).

869449667 is a wasteful number, since it uses less digits than its factorization.

869449667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13125.

The product of its digits is 15676416, while the sum is 59.

The square root of 869449667 is about 29486.4319136785. The cubic root of 869449667 is about 954.4389372730.

The spelling of 869449667 in words is "eight hundred sixty-nine million, four hundred forty-nine thousand, six hundred sixty-seven".