82650626 has 4 divisors (see below), whose sum is σ = 123975942. Its totient is φ = 41325312.

The previous prime is 82650613. The next prime is 82650641. The reversal of 82650626 is 62605628.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75707401 + 6943225 = 8701^2 + 2635^2 .

It is a super-2 number, since 2×82650626² = 13662251956383752, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20662655 + ... + 20662658.

Almost surely, 2^82650626 is an apocalyptic number.

82650626 is a deficient number, since it is larger than the sum of its proper divisors (41325316).

82650626 is a wasteful number, since it uses less digits than its factorization.

82650626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41325315.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 82650626 is about 9091.2389694695. The cubic root of 82650626 is about 435.5941605502.

The spelling of 82650626 in words is "eighty-two million, six hundred fifty thousand, six hundred twenty-six".