82713266132720 has 40 divisors (see below), whose sum is σ = 192312814409376. Its totient is φ = 33084537308928.

The previous prime is 82713266132687. The next prime is 82713266132729. The reversal of 82713266132720 is 2723166231728.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82713266132729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8548892 + ... + 15443771.

Almost surely, 2^{82713266132720} is an apocalyptic number.

82713266132720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82713266132720 is an abundant number, since it is smaller than the sum of its proper divisors (109599548276656).

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

82713266132720 is a wasteful number, since it uses less digits than its factorization.

82713266132720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24035769 (or 24035763 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 82713266132720 in words is "eighty-two trillion, seven hundred thirteen billion, two hundred sixty-six million, one hundred thirty-two thousand, seven hundred twenty".