85875380 has 24 divisors (see below), whose sum is σ = 186558120. Its totient is φ = 33165440.

The previous prime is 85875371. The next prime is 85875401. The reversal of 85875380 is 8357858.

It can be written as a sum of positive squares in 4 ways, for example, as 2226064 + 83649316 = 1492^2 + 9146^2 .

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, 73451 + ... + 74610.

It is an arithmetic number, because the mean of its divisors is an integer number (7773255).

Almost surely, 2^85875380 is an apocalyptic number.

It is an amenable number.

85875380 is an abundant number, since it is smaller than the sum of its proper divisors (100682740).

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

85875380 is a wasteful number, since it uses less digits than its factorization.

85875380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148099 (or 148097 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 85875380 is about 9266.8969995355. The cubic root of 85875380 is about 441.1871864726.

The spelling of 85875380 in words is "eighty-five million, eight hundred seventy-five thousand, three hundred eighty".