82782844 has 6 divisors (see below), whose sum is σ = 144869984. Its totient is φ = 41391420.

The previous prime is 82782811. The next prime is 82782853. The reversal of 82782844 is 44828728.

It is a self number, because there is not a number n which added to its sum of digits gives 82782844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10347852 + ... + 10347859.

Almost surely, 2^82782844 is an apocalyptic number.

It is an amenable number.

82782844 is a deficient number, since it is larger than the sum of its proper divisors (62087140).

82782844 is a wasteful number, since it uses less digits than its factorization.

82782844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20695715 (or 20695713 counting only the distinct ones).

The product of its digits is 229376, while the sum is 43.

The square root of 82782844 is about 9098.5077897422. The cubic root of 82782844 is about 435.8263132780.

The spelling of 82782844 in words is "eighty-two million, seven hundred eighty-two thousand, eight hundred forty-four".