82712192751 has 18 divisors (see below), whose sum is σ = 126914406632. Its totient is φ = 51897844800.

The previous prime is 82712192743. The next prime is 82712192861. The reversal of 82712192751 is 15729121728.

It is not a de Polignac number, because 82712192751 - 2³ = 82712192743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82712192697 and 82712192706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82712192741) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15897475 + ... + 15902676.

Almost surely, 2^82712192751 is an apocalyptic number.

82712192751 is a deficient number, since it is larger than the sum of its proper divisors (44202213881).

82712192751 is a wasteful number, since it uses less digits than its factorization.

82712192751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31800191 (or 31800171 counting only the distinct ones).

The product of its digits is 141120, while the sum is 45.

It can be divided in two parts, 8271 and 2192751, that added together give a palindrome (2201022).

The spelling of 82712192751 in words is "eighty-two billion, seven hundred twelve million, one hundred ninety-two thousand, seven hundred fifty-one".