82023645980 has 12 divisors (see below), whose sum is σ = 172249656600. Its totient is φ = 32809458384.

The previous prime is 82023645959. The next prime is 82023645983. The reversal of 82023645980 is 8954632028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82023645983) 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, 2050591130 + ... + 2050591169.

It is an arithmetic number, because the mean of its divisors is an integer number (14354138050).

Almost surely, 2^82023645980 is an apocalyptic number.

It is an amenable number.

82023645980 is an abundant number, since it is smaller than the sum of its proper divisors (90226010620).

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

82023645980 is a wasteful number, since it uses less digits than its factorization.

82023645980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101182308 (or 4101182306 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 82023645980 in words is "eighty-two billion, twenty-three million, six hundred forty-five thousand, nine hundred eighty".