78956214179 has 4 divisors (see below), whose sum is σ = 83600697384. Its totient is φ = 74311730976.

The previous prime is 78956214173. The next prime is 78956214191. The reversal of 78956214179 is 97141265987.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97141265987 = 43 ⋅2259099209.

It is a cyclic number.

It is not a de Polignac number, because 78956214179 - 2¹² = 78956210083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78956214173) 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, 2322241577 + ... + 2322241610.

It is an arithmetic number, because the mean of its divisors is an integer number (20900174346).

Almost surely, 2^78956214179 is an apocalyptic number.

78956214179 is a deficient number, since it is larger than the sum of its proper divisors (4644483205).

78956214179 is a wasteful number, since it uses less digits than its factorization.

78956214179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644483204.

The product of its digits is 7620480, while the sum is 59.

The spelling of 78956214179 in words is "seventy-eight billion, nine hundred fifty-six million, two hundred fourteen thousand, one hundred seventy-nine".