78876143484245 has 16 divisors (see below), whose sum is σ = 100049897952000. Its totient is φ = 59529689247168.

The previous prime is 78876143484241. The next prime is 78876143484251. The reversal of 78876143484245 is 54248434167887.

It is a cyclic number.

It is not a de Polignac number, because 78876143484245 - 2² = 78876143484241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78876143484241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1736954690 + ... + 1737000099.

It is an arithmetic number, because the mean of its divisors is an integer number (6253118622000).

Almost surely, 2^{78876143484245} is an apocalyptic number.

It is an amenable number.

78876143484245 is a deficient number, since it is larger than the sum of its proper divisors (21173754467755).

78876143484245 is a wasteful number, since it uses less digits than its factorization.

78876143484245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473955052.

The product of its digits is 1156055040, while the sum is 71.

The spelling of 78876143484245 in words is "seventy-eight trillion, eight hundred seventy-six billion, one hundred forty-three million, four hundred eighty-four thousand, two hundred forty-five".