80853530 has 48 divisors (see below), whose sum is σ = 156695256. Its totient is φ = 30028800.

The previous prime is 80853529. The next prime is 80853571. The reversal of 80853530 is 3535808.

It can be written as a sum of positive squares in 12 ways, for example, as 36084049 + 44769481 = 6007^2 + 6691^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291752 + ... + 292028.

Almost surely, 2^80853530 is an apocalyptic number.

80853530 is a deficient number, since it is larger than the sum of its proper divisors (75841726).

80853530 is a wasteful number, since it uses less digits than its factorization.

80853530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 80853530 is about 8991.8590958711. The cubic root of 80853530 is about 432.4139158418.

The spelling of 80853530 in words is "eighty million, eight hundred fifty-three thousand, five hundred thirty".