78786086298367 has 4 divisors (see below), whose sum is σ = 90041241483856. Its totient is φ = 67530931112880.

The previous prime is 78786086298347. The next prime is 78786086298377. The reversal of 78786086298367 is 76389268068787.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78786086298367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78786086298347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5627577592734 + ... + 5627577592747.

It is an arithmetic number, because the mean of its divisors is an integer number (22510310370964).

Almost surely, 2^{78786086298367} is an apocalyptic number.

78786086298367 is a deficient number, since it is larger than the sum of its proper divisors (11255155185489).

78786086298367 is a wasteful number, since it uses less digits than its factorization.

78786086298367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11255155185488.

The product of its (nonzero) digits is 16387080192, while the sum is 85.

The spelling of 78786086298367 in words is "seventy-eight trillion, seven hundred eighty-six billion, eighty-six million, two hundred ninety-eight thousand, three hundred sixty-seven".