82263880 has 16 divisors (see below), whose sum is σ = 185093820. Its totient is φ = 32905536.

The previous prime is 82263829. The next prime is 82263889. The reversal of 82263880 is 8836228.

It can be written as a sum of positive squares in 2 ways, for example, as 76983076 + 5280804 = 8774^2 + 2298^2 .

It is not an unprimeable number, because it can be changed into a prime (82263889) 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, 1028259 + ... + 1028338.

Almost surely, 2^82263880 is an apocalyptic number.

It is an amenable number.

82263880 is an abundant number, since it is smaller than the sum of its proper divisors (102829940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82263880 is a wasteful number, since it uses less digits than its factorization.

82263880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056608 (or 2056604 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 82263880 is about 9069.9437704982. The cubic root of 82263880 is about 434.9136746831.

The spelling of 82263880 in words is "eighty-two million, two hundred sixty-three thousand, eight hundred eighty".