82362721793 has 32 divisors (see below), whose sum is σ = 93215453184. Its totient is φ = 72121600000.

The previous prime is 82362721789. The next prime is 82362721811. The reversal of 82362721793 is 39712726328.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 82362721793 - 2² = 82362721789 is a prime.

It is a super-2 number, since 2×82362721793² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82362721193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17443673 + ... + 17448393.

It is an arithmetic number, because the mean of its divisors is an integer number (2912982912).

Almost surely, 2^82362721793 is an apocalyptic number.

It is an amenable number.

82362721793 is a deficient number, since it is larger than the sum of its proper divisors (10852731391).

82362721793 is a wasteful number, since it uses less digits than its factorization.

82362721793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5257.

The product of its digits is 1524096, while the sum is 50.

The spelling of 82362721793 in words is "eighty-two billion, three hundred sixty-two million, seven hundred twenty-one thousand, seven hundred ninety-three".