82885668 has 12 divisors (see below), whose sum is σ = 193399920. Its totient is φ = 27628552.

The previous prime is 82885667. The next prime is 82885669. The reversal of 82885668 is 86658828.

It is an interprime number because it is at equal distance from previous prime (82885667) and next prime (82885669).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 82885668.

It is not an unprimeable number, because it can be changed into a prime (82885667) 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, 3453558 + ... + 3453581.

It is an arithmetic number, because the mean of its divisors is an integer number (16116660).

Almost surely, 2^82885668 is an apocalyptic number.

It is an amenable number.

82885668 is an abundant number, since it is smaller than the sum of its proper divisors (110514252).

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

82885668 is a wasteful number, since it uses less digits than its factorization.

82885668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6907146 (or 6907144 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 51.

The square root of 82885668 is about 9104.1566330990. The cubic root of 82885668 is about 436.0066842395.

The spelling of 82885668 in words is "eighty-two million, eight hundred eighty-five thousand, six hundred sixty-eight".