82772383512 has 128 divisors (see below), whose sum is σ = 269665804800. Its totient is φ = 20545947648.

The previous prime is 82772383483. The next prime is 82772383571. The reversal of 82772383512 is 21538327728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1077562 + ... + 1151817.

It is an arithmetic number, because the mean of its divisors is an integer number (2106764100).

Almost surely, 2^82772383512 is an apocalyptic number.

It is an amenable number.

82772383512 is an abundant number, since it is smaller than the sum of its proper divisors (186893421288).

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

82772383512 is a wasteful number, since it uses less digits than its factorization.

82772383512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229425 (or 2229421 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The spelling of 82772383512 in words is "eighty-two billion, seven hundred seventy-two million, three hundred eighty-three thousand, five hundred twelve".