80982650 has 24 divisors (see below), whose sum is σ = 172146720. Its totient is φ = 27765360.

The previous prime is 80982647. The next prime is 80982653. The reversal of 80982650 is 5628908.

It is an interprime number because it is at equal distance from previous prime (80982647) and next prime (80982653).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80982653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115340 + ... + 116039.

It is an arithmetic number, because the mean of its divisors is an integer number (7172780).

Almost surely, 2^80982650 is an apocalyptic number.

80982650 is an abundant number, since it is smaller than the sum of its proper divisors (91164070).

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

80982650 is a wasteful number, since it uses less digits than its factorization.

80982650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231398 (or 231393 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 80982650 is about 8999.0360594899. The cubic root of 80982650 is about 432.6439762566.

The spelling of 80982650 in words is "eighty million, nine hundred eighty-two thousand, six hundred fifty".