82442782 has 8 divisors (see below), whose sum is σ = 126540216. Its totient is φ = 40262712.

The previous prime is 82442777. The next prime is 82442783. The reversal of 82442782 is 28724428.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82442783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479233 + ... + 479404.

It is an arithmetic number, because the mean of its divisors is an integer number (15817527).

Almost surely, 2^82442782 is an apocalyptic number.

82442782 is a deficient number, since it is larger than the sum of its proper divisors (44097434).

82442782 is a wasteful number, since it uses less digits than its factorization.

82442782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958682.

The product of its digits is 57344, while the sum is 37.

The square root of 82442782 is about 9079.8007687394. The cubic root of 82442782 is about 435.2287201650.

It can be divided in two parts, 8244 and 2782, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 82442782 in words is "eighty-two million, four hundred forty-two thousand, seven hundred eighty-two".