85809269555 has 8 divisors (see below), whose sum is σ = 108390656400. Its totient is φ = 65034393696.

The previous prime is 85809269551. The next prime is 85809269563. The reversal of 85809269555 is 55596290858.

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 85809269555 - 2² = 85809269551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85809269551) 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, 451627640 + ... + 451627829.

It is an arithmetic number, because the mean of its divisors is an integer number (13548832050).

Almost surely, 2^85809269555 is an apocalyptic number.

85809269555 is a deficient number, since it is larger than the sum of its proper divisors (22581386845).

85809269555 is a wasteful number, since it uses less digits than its factorization.

85809269555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903255493.

The product of its (nonzero) digits is 38880000, while the sum is 62.

The spelling of 85809269555 in words is "eighty-five billion, eight hundred nine million, two hundred sixty-nine thousand, five hundred fifty-five".