82669250 has 32 divisors (see below), whose sum is σ = 159763968. Its totient is φ = 31998000.

The previous prime is 82669201. The next prime is 82669259. The reversal of 82669250 is 5296628.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82669259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2417 + ... + 13083.

It is an arithmetic number, because the mean of its divisors is an integer number (4992624).

Almost surely, 2^82669250 is an apocalyptic number.

82669250 is a deficient number, since it is larger than the sum of its proper divisors (77094718).

82669250 is a wasteful number, since it uses less digits than its factorization.

82669250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10715 (or 10705 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 82669250 is about 9092.2631946067. The cubic root of 82669250 is about 435.6268761579.

The spelling of 82669250 in words is "eighty-two million, six hundred sixty-nine thousand, two hundred fifty".