85809791327 has 8 divisors (see below), whose sum is σ = 94376726976. Its totient is φ = 77523738912.

The previous prime is 85809791323. The next prime is 85809791359. The reversal of 85809791327 is 72319790858.

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 85809791327 - 2² = 85809791323 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 (85809791323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70220168 + ... + 70221389.

It is an arithmetic number, because the mean of its divisors is an integer number (11797090872).

Almost surely, 2^85809791327 is an apocalyptic number.

85809791327 is a deficient number, since it is larger than the sum of its proper divisors (8566935649).

85809791327 is a wasteful number, since it uses less digits than its factorization.

85809791327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140441617.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 85809791327 in words is "eighty-five billion, eight hundred nine million, seven hundred ninety-one thousand, three hundred twenty-seven".