85881502442278 has 16 divisors (see below), whose sum is σ = 128929697280000. Its totient is φ = 42904949086152.

The previous prime is 85881502442179. The next prime is 85881502442291. The reversal of 85881502442278 is 87224420518858.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10762363 + ... + 16958521.

It is an arithmetic number, because the mean of its divisors is an integer number (8058106080000).

Almost surely, 2^{85881502442278} is an apocalyptic number.

85881502442278 is a deficient number, since it is larger than the sum of its proper divisors (43048194837722).

85881502442278 is a wasteful number, since it uses less digits than its factorization.

85881502442278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201939.

The product of its (nonzero) digits is 91750400, while the sum is 64.

The spelling of 85881502442278 in words is "eighty-five trillion, eight hundred eighty-one billion, five hundred two million, four hundred forty-two thousand, two hundred seventy-eight".