85588405551 has 12 divisors (see below), whose sum is σ = 134866578600. Its totient is φ = 51871760880.

The previous prime is 85588405501. The next prime is 85588405559. The reversal of 85588405551 is 15550488558.

85588405551 is a `hidden beast` number, since 8 + 5 + 5 + 8 + 84 + 0 + 5 + 551 = 666.

It is not a de Polignac number, because 85588405551 - 2⁹ = 85588405039 is a prime.

It is a super-2 number, since 2×85588405551² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85588405559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432264576 + ... + 432264773.

It is an arithmetic number, because the mean of its divisors is an integer number (11238881550).

Almost surely, 2^85588405551 is an apocalyptic number.

85588405551 is a deficient number, since it is larger than the sum of its proper divisors (49278173049).

85588405551 is a wasteful number, since it uses less digits than its factorization.

85588405551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864529366 (or 864529363 counting only the distinct ones).

The product of its (nonzero) digits is 6400000, while the sum is 54.

The spelling of 85588405551 in words is "eighty-five billion, five hundred eighty-eight million, four hundred five thousand, five hundred fifty-one".