85901667668 has 48 divisors (see below), whose sum is σ = 159578947584. Its totient is φ = 40378393440.

The previous prime is 85901667623. The next prime is 85901667689. The reversal of 85901667668 is 86676610958.

It is a self number, because there is not a number n which added to its sum of digits gives 85901667668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215833 + ... + 1284543.

It is an arithmetic number, because the mean of its divisors is an integer number (3324561408).

Almost surely, 2^85901667668 is an apocalyptic number.

It is an amenable number.

85901667668 is a deficient number, since it is larger than the sum of its proper divisors (73677279916).

85901667668 is a wasteful number, since it uses less digits than its factorization.

85901667668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68972 (or 68970 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 85901667668 in words is "eighty-five billion, nine hundred one million, six hundred sixty-seven thousand, six hundred sixty-eight".