82812448 has 12 divisors (see below), whose sum is σ = 163037070. Its totient is φ = 41406208.

The previous prime is 82812437. The next prime is 82812467. The reversal of 82812448 is 84421828.

It can be written as a sum of positive squares in only one way, i.e., 49956624 + 32855824 = 7068^2 + 5732^2 .

It is a super-4 number, since 4×82812448⁴ (a number of 33 digits) contains 4444 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1293913 + ... + 1293976.

Almost surely, 2^82812448 is an apocalyptic number.

It is an amenable number.

82812448 is a deficient number, since it is larger than the sum of its proper divisors (80224622).

82812448 is a wasteful number, since it uses less digits than its factorization.

82812448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587899 (or 2587891 counting only the distinct ones).

The product of its digits is 32768, while the sum is 37.

The square root of 82812448 is about 9100.1345045005. The cubic root of 82812448 is about 435.8782590834.

The spelling of 82812448 in words is "eighty-two million, eight hundred twelve thousand, four hundred forty-eight".