78216113465351 has 8 divisors (see below), whose sum is σ = 82855960866720. Its totient is φ = 73580588236288.

The previous prime is 78216113465339. The next prime is 78216113465429. The reversal of 78216113465351 is 15356431161287.

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 78216113465351 - 2¹⁰ = 78216113464327 is a prime.

It is a super-2 number, since 2×78216113465351² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78216113465293 and 78216113465302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78216113465311) 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, 1080505811 + ... + 1080578196.

It is an arithmetic number, because the mean of its divisors is an integer number (10356995108340).

Almost surely, 2^{78216113465351} is an apocalyptic number.

78216113465351 is a deficient number, since it is larger than the sum of its proper divisors (4639847401369).

78216113465351 is a wasteful number, since it uses less digits than its factorization.

78216113465351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161086153.

The product of its digits is 3628800, while the sum is 53.

The spelling of 78216113465351 in words is "seventy-eight trillion, two hundred sixteen billion, one hundred thirteen million, four hundred sixty-five thousand, three hundred fifty-one".