82864580673 has 8 divisors (see below), whose sum is σ = 126269837248. Its totient is φ = 47351188944.

The previous prime is 82864580671. The next prime is 82864580713. The reversal of 82864580673 is 37608546828.

It is a happy number.

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

It is not a de Polignac number, because 82864580673 - 2¹ = 82864580671 is a prime.

It is a super-2 number, since 2×82864580673² (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 (82864580671) 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, 1972966186 + ... + 1972966227.

It is an arithmetic number, because the mean of its divisors is an integer number (15783729656).

Almost surely, 2^82864580673 is an apocalyptic number.

It is an amenable number.

82864580673 is a deficient number, since it is larger than the sum of its proper divisors (43405256575).

82864580673 is a wasteful number, since it uses less digits than its factorization.

82864580673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945932423.

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 82864580673 in words is "eighty-two billion, eight hundred sixty-four million, five hundred eighty thousand, six hundred seventy-three".