80853850 has 48 divisors (see below), whose sum is σ = 187505856. Its totient is φ = 25200000.

The previous prime is 80853823. The next prime is 80853881. The reversal of 80853850 is 5835808.

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, 6651 + ... + 14350.

It is an arithmetic number, because the mean of its divisors is an integer number (3906372).

Almost surely, 2^80853850 is an apocalyptic number.

80853850 is an abundant number, since it is smaller than the sum of its proper divisors (106652006).

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

80853850 is a wasteful number, since it uses less digits than its factorization.

80853850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21031 (or 21026 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 80853850 is about 8991.8768897266. The cubic root of 80853850 is about 432.4144863065.

It can be divided in two parts, 8085 and 3850, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 80853850 in words is "eighty million, eight hundred fifty-three thousand, eight hundred fifty".