80382666215 has 4 divisors (see below), whose sum is σ = 96459199464. Its totient is φ = 64306132968.

The previous prime is 80382666211. The next prime is 80382666239. The reversal of 80382666215 is 51266628308.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80382666215 - 2² = 80382666211 is a prime.

It is a super-2 number, since 2×80382666215² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80382666215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80382666211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8038266617 + ... + 8038266626.

It is an arithmetic number, because the mean of its divisors is an integer number (24114799866).

Almost surely, 2^80382666215 is an apocalyptic number.

80382666215 is a deficient number, since it is larger than the sum of its proper divisors (16076533249).

80382666215 is a wasteful number, since it uses less digits than its factorization.

80382666215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16076533248.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 80382666215 in words is "eighty billion, three hundred eighty-two million, six hundred sixty-six thousand, two hundred fifteen".