82863320 has 16 divisors (see below), whose sum is σ = 186442560. Its totient is φ = 33145312.

The previous prime is 82863301. The next prime is 82863323. The reversal of 82863320 is 2336828.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82863323) 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, 1035752 + ... + 1035831.

It is an arithmetic number, because the mean of its divisors is an integer number (11652660).

Almost surely, 2^82863320 is an apocalyptic number.

It is an amenable number.

82863320 is an abundant number, since it is smaller than the sum of its proper divisors (103579240).

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

82863320 is a wasteful number, since it uses less digits than its factorization.

82863320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071594 (or 2071590 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 82863320 is about 9102.9291988898. The cubic root of 82863320 is about 435.9674947009.

The spelling of 82863320 in words is "eighty-two million, eight hundred sixty-three thousand, three hundred twenty".