83210872 has 16 divisors (see below), whose sum is σ = 162804240. Its totient is φ = 39796416.

The previous prime is 83210867. The next prime is 83210887. The reversal of 83210872 is 27801238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225933 + ... + 226300.

It is an arithmetic number, because the mean of its divisors is an integer number (10175265).

Almost surely, 2^83210872 is an apocalyptic number.

It is an amenable number.

83210872 is a deficient number, since it is larger than the sum of its proper divisors (79593368).

83210872 is a wasteful number, since it uses less digits than its factorization.

83210872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452262 (or 452258 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 83210872 is about 9121.9993422495. Note that the first 3 decimals coincide. The cubic root of 83210872 is about 436.5761678184.

The spelling of 83210872 in words is "eighty-three million, two hundred ten thousand, eight hundred seventy-two".