85478011658580 has 48 divisors (see below), whose sum is σ = 243395016258240. Its totient is φ = 22407795145728.

The previous prime is 85478011658561. The next prime is 85478011658659. The reversal of 85478011658580 is 8585611087458.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12073161949 + ... + 12073169028.

It is an arithmetic number, because the mean of its divisors is an integer number (5070729505380).

Almost surely, 2^{85478011658580} is an apocalyptic number.

It is an amenable number.

85478011658580 is an abundant number, since it is smaller than the sum of its proper divisors (157917004599660).

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

85478011658580 is a wasteful number, since it uses less digits than its factorization.

85478011658580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24146331048 (or 24146331046 counting only the distinct ones).

The product of its (nonzero) digits is 86016000, while the sum is 66.

The spelling of 85478011658580 in words is "eighty-five trillion, four hundred seventy-eight billion, eleven million, six hundred fifty-eight thousand, five hundred eighty".