72182206895 has 4 divisors (see below), whose sum is σ = 86618648280. Its totient is φ = 57745765512.

The previous prime is 72182206891. The next prime is 72182206919. The reversal of 72182206895 is 59860228127.

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 72182206895 - 2² = 72182206891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72182206891) 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, 7218220685 + ... + 7218220694.

It is an arithmetic number, because the mean of its divisors is an integer number (21654662070).

Almost surely, 2^72182206895 is an apocalyptic number.

72182206895 is a deficient number, since it is larger than the sum of its proper divisors (14436441385).

72182206895 is a wasteful number, since it uses less digits than its factorization.

72182206895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14436441384.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 72182206895 in words is "seventy-two billion, one hundred eighty-two million, two hundred six thousand, eight hundred ninety-five".