78513467113 has 4 divisors (see below), whose sum is σ = 79275733888. Its totient is φ = 77751200340.

The previous prime is 78513467107. The next prime is 78513467119. The reversal of 78513467113 is 31176431587.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (78513467107) and next prime (78513467119).

It is a cyclic number.

It is not a de Polignac number, because 78513467113 - 2²¹ = 78511369961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78513467119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381133233 + ... + 381133438.

It is an arithmetic number, because the mean of its divisors is an integer number (19818933472).

Almost surely, 2^78513467113 is an apocalyptic number.

It is an amenable number.

78513467113 is a deficient number, since it is larger than the sum of its proper divisors (762266775).

78513467113 is a wasteful number, since it uses less digits than its factorization.

78513467113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762266774.

The product of its digits is 423360, while the sum is 46.

The spelling of 78513467113 in words is "seventy-eight billion, five hundred thirteen million, four hundred sixty-seven thousand, one hundred thirteen".