82263770 has 32 divisors (see below), whose sum is σ = 153584640. Its totient is φ = 31691520.

The previous prime is 82263767. The next prime is 82263781. The reversal of 82263770 is 7736228.

It is a super-2 number, since 2×82263770² = 13534655709225800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82263770.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81026 + ... + 82034.

It is an arithmetic number, because the mean of its divisors is an integer number (4799520).

Almost surely, 2^82263770 is an apocalyptic number.

82263770 is a deficient number, since it is larger than the sum of its proper divisors (71320870).

82263770 is a wasteful number, since it uses less digits than its factorization.

82263770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 82263770 is about 9069.9377065116. The cubic root of 82263770 is about 434.9134808332.

Adding to 82263770 its reverse (7736228), we get a palindrome (89999998).

The spelling of 82263770 in words is "eighty-two million, two hundred sixty-three thousand, seven hundred seventy".