82213853880 has 64 divisors (see below), whose sum is σ = 249613176960. Its totient is φ = 21659550848.

The previous prime is 82213853873. The next prime is 82213853929. The reversal of 82213853880 is 8835831228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4117242 + ... + 4137161.

It is an arithmetic number, because the mean of its divisors is an integer number (3900205890).

Almost surely, 2^82213853880 is an apocalyptic number.

It is an amenable number.

82213853880 is an abundant number, since it is smaller than the sum of its proper divisors (167399323080).

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

82213853880 is a wasteful number, since it uses less digits than its factorization.

82213853880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8254500 (or 8254496 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 82213853880 in words is "eighty-two billion, two hundred thirteen million, eight hundred fifty-three thousand, eight hundred eighty".