78884306607877 has 8 divisors (see below), whose sum is σ = 81430940512512. Its totient is φ = 76337796381600.

The previous prime is 78884306607871. The next prime is 78884306607913. The reversal of 78884306607877 is 77870660348887.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78884306607877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78884306607797 and 78884306607806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78884306607871) 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, 29622499 + ... + 32175472.

It is an arithmetic number, because the mean of its divisors is an integer number (10178867564064).

Almost surely, 2^{78884306607877} is an apocalyptic number.

It is an amenable number.

78884306607877 is a deficient number, since it is larger than the sum of its proper divisors (2546633904635).

78884306607877 is a wasteful number, since it uses less digits than its factorization.

78884306607877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61839179.

The product of its (nonzero) digits is 4248502272, while the sum is 79.

The spelling of 78884306607877 in words is "seventy-eight trillion, eight hundred eighty-four billion, three hundred six million, six hundred seven thousand, eight hundred seventy-seven".