85869361667 has 4 divisors (see below), whose sum is σ = 85903425816. Its totient is φ = 85835297520.

The previous prime is 85869361637. The next prime is 85869361723. The reversal of 85869361667 is 76616396858.

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 85869361667 - 2⁶ = 85869361603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85869361607) 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, 17028293 + ... + 17033334.

It is an arithmetic number, because the mean of its divisors is an integer number (21475856454).

Almost surely, 2^85869361667 is an apocalyptic number.

85869361667 is a deficient number, since it is larger than the sum of its proper divisors (34064149).

85869361667 is a wasteful number, since it uses less digits than its factorization.

85869361667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34064148.

The product of its digits is 78382080, while the sum is 65.

The spelling of 85869361667 in words is "eighty-five billion, eight hundred sixty-nine million, three hundred sixty-one thousand, six hundred sixty-seven".