85590128908 has 6 divisors (see below), whose sum is σ = 149782725596. Its totient is φ = 42795064452.

The previous prime is 85590128893. The next prime is 85590128927. The reversal of 85590128908 is 80982109558.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10698766110 + ... + 10698766117.

Almost surely, 2^85590128908 is an apocalyptic number.

It is an amenable number.

85590128908 is a deficient number, since it is larger than the sum of its proper divisors (64192596688).

85590128908 is a wasteful number, since it uses less digits than its factorization.

85590128908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21397532231 (or 21397532229 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 55.

The spelling of 85590128908 in words is "eighty-five billion, five hundred ninety million, one hundred twenty-eight thousand, nine hundred eight".