82850644 has 12 divisors (see below), whose sum is σ = 145231744. Its totient is φ = 41355864.

The previous prime is 82850633. The next prime is 82850701. The reversal of 82850644 is 44605828.

It is a super-2 number, since 2×82850644² = 13728458422429472, which contains 22 as substring.

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, 14634 + ... + 19489.

Almost surely, 2^82850644 is an apocalyptic number.

It is an amenable number.

82850644 is a deficient number, since it is larger than the sum of its proper divisors (62381100).

82850644 is a wasteful number, since it uses less digits than its factorization.

82850644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34734 (or 34732 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 82850644 is about 9102.2329128626. The cubic root of 82850644 is about 435.9452628868.

The spelling of 82850644 in words is "eighty-two million, eight hundred fifty thousand, six hundred forty-four".