85489378470 has 48 divisors (see below), whose sum is σ = 222826773312. Its totient is φ = 22740307200.

The previous prime is 85489378459. The next prime is 85489378519. The reversal of 85489378470 is 7487398458.

85489378470 is a `hidden beast` number, since 8 + 5 + 4 + 8 + 93 + 78 + 470 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 85489378398 and 85489378407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1148302 + ... + 1220481.

It is an arithmetic number, because the mean of its divisors is an integer number (4642224444).

Almost surely, 2^85489378470 is an apocalyptic number.

85489378470 is an abundant number, since it is smaller than the sum of its proper divisors (137337394842).

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

85489378470 is a wasteful number, since it uses less digits than its factorization.

85489378470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369197 (or 2369194 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 85489378470 in words is "eighty-five billion, four hundred eighty-nine million, three hundred seventy-eight thousand, four hundred seventy".