82210923457 has 16 divisors (see below), whose sum is σ = 89117054208. Its totient is φ = 75388847040.

The previous prime is 82210923437. The next prime is 82210923461. The reversal of 82210923457 is 75432901228.

It is not a de Polignac number, because 82210923457 - 2¹¹ = 82210921409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82210923437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2295228 + ... + 2330770.

It is an arithmetic number, because the mean of its divisors is an integer number (5569815888).

Almost surely, 2^82210923457 is an apocalyptic number.

It is an amenable number.

82210923457 is a deficient number, since it is larger than the sum of its proper divisors (6906130751).

82210923457 is a wasteful number, since it uses less digits than its factorization.

82210923457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36720.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 82210923457 in words is "eighty-two billion, two hundred ten million, nine hundred twenty-three thousand, four hundred fifty-seven".