78368236927 has 8 divisors (see below), whose sum is σ = 81876653280. Its totient is φ = 74868245760.

The previous prime is 78368236901. The next prime is 78368236943. The reversal of 78368236927 is 72963286387.

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

It is not a de Polignac number, because 78368236927 - 2¹⁹ = 78367712639 is a prime.

It is a super-2 number, since 2×78368236927² (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 (78368236957) 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, 2087274 + ... + 2124487.

It is an arithmetic number, because the mean of its divisors is an integer number (10234581660).

Almost surely, 2^78368236927 is an apocalyptic number.

78368236927 is a deficient number, since it is larger than the sum of its proper divisors (3508416353).

78368236927 is a wasteful number, since it uses less digits than its factorization.

78368236927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212593.

The product of its digits is 36578304, while the sum is 61.

The spelling of 78368236927 in words is "seventy-eight billion, three hundred sixty-eight million, two hundred thirty-six thousand, nine hundred twenty-seven".