78327208895 has 8 divisors (see below), whose sum is σ = 101222854656. Its totient is φ = 57841631136.

The previous prime is 78327208891. The next prime is 78327208961. The reversal of 78327208895 is 59880272387.

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

It is a cyclic number.

It is not a de Polignac number, because 78327208895 - 2² = 78327208891 is a prime.

It is a super-2 number, since 2×78327208895² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78327208891) 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, 602516927 + ... + 602517056.

It is an arithmetic number, because the mean of its divisors is an integer number (12652856832).

Almost surely, 2^78327208895 is an apocalyptic number.

78327208895 is a deficient number, since it is larger than the sum of its proper divisors (22895645761).

78327208895 is a wasteful number, since it uses less digits than its factorization.

78327208895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205034001.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 78327208895 in words is "seventy-eight billion, three hundred twenty-seven million, two hundred eight thousand, eight hundred ninety-five".