78296108465 has 8 divisors (see below), whose sum is σ = 94211341440. Its totient is φ = 62466212592.

The previous prime is 78296108453. The next prime is 78296108477. The reversal of 78296108465 is 56480169287.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (78296108453) and next prime (78296108477).

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 78296108465 - 2²² = 78291914161 is a prime.

It is a super-3 number, since 3×78296108465³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 78296108465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21332255 + ... + 21335924.

It is an arithmetic number, because the mean of its divisors is an integer number (11776417680).

Almost surely, 2^78296108465 is an apocalyptic number.

It is an amenable number.

78296108465 is a deficient number, since it is larger than the sum of its proper divisors (15915232975).

78296108465 is a wasteful number, since it uses less digits than its factorization.

78296108465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42668551.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 78296108465 in words is "seventy-eight billion, two hundred ninety-six million, one hundred eight thousand, four hundred sixty-five".