82731923247 has 8 divisors (see below), whose sum is σ = 110313615744. Its totient is φ = 55152423128.

The previous prime is 82731923237. The next prime is 82731923293. The reversal of 82731923247 is 74232913728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82731923247 - 2⁷ = 82731923119 is a prime.

It is a super-2 number, since 2×82731923247² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82731923196 and 82731923205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82731923237) 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, 457923 + ... + 612500.

It is an arithmetic number, because the mean of its divisors is an integer number (13789201968).

Almost surely, 2^82731923247 is an apocalyptic number.

82731923247 is a deficient number, since it is larger than the sum of its proper divisors (27581692497).

82731923247 is a wasteful number, since it uses less digits than its factorization.

82731923247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096189.

The product of its digits is 1016064, while the sum is 48.

The spelling of 82731923247 in words is "eighty-two billion, seven hundred thirty-one million, nine hundred twenty-three thousand, two hundred forty-seven".