85867614806780 has 96 divisors (see below), whose sum is σ = 181332516456000. Its totient is φ = 34155120384000.

The previous prime is 85867614806723. The next prime is 85867614806801. The reversal of 85867614806780 is 8760841676858.

It is a junction number, because it is equal to n+sod(n) for n = 85867614806698 and 85867614806707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8807833346 + ... + 8807843094.

It is an arithmetic number, because the mean of its divisors is an integer number (1888880379750).

Almost surely, 2^{85867614806780} is an apocalyptic number.

It is an amenable number.

85867614806780 is an abundant number, since it is smaller than the sum of its proper divisors (95464901649220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85867614806780 is a wasteful number, since it uses less digits than its factorization.

85867614806780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071 (or 13069 counting only the distinct ones).

The product of its (nonzero) digits is 867041280, while the sum is 74.

The spelling of 85867614806780 in words is "eighty-five trillion, eight hundred sixty-seven billion, six hundred fourteen million, eight hundred six thousand, seven hundred eighty".