82945888 has 24 divisors (see below), whose sum is σ = 164254608. Its totient is φ = 41230464.

The previous prime is 82945883. The next prime is 82945921. The reversal of 82945888 is 88854928.

It is a super-2 number, since 2×82945888² = 13760040672217088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82945883) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1956 + ... + 13027.

It is an arithmetic number, because the mean of its divisors is an integer number (6843942).

Almost surely, 2^82945888 is an apocalyptic number.

It is an amenable number.

82945888 is a deficient number, since it is larger than the sum of its proper divisors (81308720).

82945888 is a wasteful number, since it uses less digits than its factorization.

82945888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15166 (or 15158 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 52.

The square root of 82945888 is about 9107.4633131295. The cubic root of 82945888 is about 436.1122512088.

The spelling of 82945888 in words is "eighty-two million, nine hundred forty-five thousand, eight hundred eighty-eight".