78876708887 has 8 divisors (see below), whose sum is σ = 79881480000. Its totient is φ = 77872096224.

The previous prime is 78876708871. The next prime is 78876708899. The reversal of 78876708887 is 78880767887.

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 78876708887 - 2⁴ = 78876708871 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 (78876708857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212473 + ... + 1275869.

It is an arithmetic number, because the mean of its divisors is an integer number (9985185000).

Almost surely, 2^78876708887 is an apocalyptic number.

78876708887 is a deficient number, since it is larger than the sum of its proper divisors (1004771113).

78876708887 is a wasteful number, since it uses less digits than its factorization.

78876708887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79225.

The product of its (nonzero) digits is 472055808, while the sum is 74.

The spelling of 78876708887 in words is "seventy-eight billion, eight hundred seventy-six million, seven hundred eight thousand, eight hundred eighty-seven".