80853570 has 48 divisors (see below), whose sum is σ = 240252480. Its totient is φ = 18480672.

The previous prime is 80853529. The next prime is 80853571. The reversal of 80853570 is 7535808.

It is a happy number.

80853570 is a `hidden beast` number, since 8 + 0 + 85 + 3 + 570 = 666.

It is not an unprimeable number, because it can be changed into a prime (80853571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63540 + ... + 64799.

It is an arithmetic number, because the mean of its divisors is an integer number (5005260).

Almost surely, 2^80853570 is an apocalyptic number.

80853570 is an abundant number, since it is smaller than the sum of its proper divisors (159398910).

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

80853570 is a wasteful number, since it uses less digits than its factorization.

80853570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128359 (or 128356 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 80853570 is about 8991.8613201050. The cubic root of 80853570 is about 432.4139871500.

The spelling of 80853570 in words is "eighty million, eight hundred fifty-three thousand, five hundred seventy".