85280855 has 16 divisors (see below), whose sum is σ = 111966624. Its totient is φ = 61841280.

The previous prime is 85280813. The next prime is 85280887. The reversal of 85280855 is 55808258.

It is not a de Polignac number, because 85280855 - 2²⁴ = 68503639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18437 + ... + 22593.

It is an arithmetic number, because the mean of its divisors is an integer number (6997914).

Almost surely, 2^85280855 is an apocalyptic number.

85280855 is a deficient number, since it is larger than the sum of its proper divisors (26685769).

85280855 is a wasteful number, since it uses less digits than its factorization.

85280855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546.

The product of its (nonzero) digits is 128000, while the sum is 41.

The square root of 85280855 is about 9234.7633970774. The cubic root of 85280855 is about 440.1666982005.

The spelling of 85280855 in words is "eighty-five million, two hundred eighty thousand, eight hundred fifty-five".