78327696337 has 8 divisors (see below), whose sum is σ = 85824823392. Its totient is φ = 70893307200.

The previous prime is 78327696331. The next prime is 78327696389. The reversal of 78327696337 is 73369672387.

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 78327696337 - 2³ = 78327696329 is a prime.

It is a super-2 number, since 2×78327696337² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78327696331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15681864 + ... + 15686857.

It is an arithmetic number, because the mean of its divisors is an integer number (10728102924).

Almost surely, 2^78327696337 is an apocalyptic number.

It is an amenable number.

78327696337 is a deficient number, since it is larger than the sum of its proper divisors (7497127055).

78327696337 is a wasteful number, since it uses less digits than its factorization.

78327696337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31368959.

The product of its digits is 48009024, while the sum is 61.

The spelling of 78327696337 in words is "seventy-eight billion, three hundred twenty-seven million, six hundred ninety-six thousand, three hundred thirty-seven".