82428824 has 8 divisors (see below), whose sum is σ = 154554060. Its totient is φ = 41214408.

The previous prime is 82428793. The next prime is 82428839. The reversal of 82428824 is 42882428.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×82428824² = 13589022052045952, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151794 + ... + 5151809.

Almost surely, 2^82428824 is an apocalyptic number.

It is an amenable number.

82428824 is a deficient number, since it is larger than the sum of its proper divisors (72125236).

82428824 is a wasteful number, since it uses less digits than its factorization.

82428824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10303609 (or 10303605 counting only the distinct ones).

The product of its digits is 65536, while the sum is 38.

The square root of 82428824 is about 9079.0321070035. The cubic root of 82428824 is about 435.2041566023.

The spelling of 82428824 in words is "eighty-two million, four hundred twenty-eight thousand, eight hundred twenty-four".