85919266678 has 24 divisors (see below), whose sum is σ = 149967448704. Its totient is φ = 36810975600.

The previous prime is 85919266669. The next prime is 85919266717. The reversal of 85919266678 is 87666291958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179563 + ... + 451753.

It is an arithmetic number, because the mean of its divisors is an integer number (6248643696).

Almost surely, 2^85919266678 is an apocalyptic number.

85919266678 is a deficient number, since it is larger than the sum of its proper divisors (64048182026).

85919266678 is a wasteful number, since it uses less digits than its factorization.

85919266678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275428 (or 275421 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 67.

The spelling of 85919266678 in words is "eighty-five billion, nine hundred nineteen million, two hundred sixty-six thousand, six hundred seventy-eight".