82682650 has 48 divisors (see below), whose sum is σ = 160724088. Its totient is φ = 31616000.

The previous prime is 82682641. The next prime is 82682657. The reversal of 82682650 is 5628628.

It is a Cunningham number, because it is equal to 9093²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 6487209 + 76195441 = 2547^2 + 8729^2 .

It is a super-2 number, since 2×82682650² = 13672841222045000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82682657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108270 + ... + 109030.

Almost surely, 2^82682650 is an apocalyptic number.

82682650 is a deficient number, since it is larger than the sum of its proper divisors (78041438).

82682650 is a wasteful number, since it uses less digits than its factorization.

82682650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 82682650 is about 9093.0000549874. Note that the first 4 decimals coincide. The cubic root of 82682650 is about 435.6504120546.

The spelling of 82682650 in words is "eighty-two million, six hundred eighty-two thousand, six hundred fifty".