78947941363 has 4 divisors (see below), whose sum is σ = 79356998248. Its totient is φ = 78538884480.

The previous prime is 78947941349. The next prime is 78947941417. The reversal of 78947941363 is 36314974987.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36314974987 = 19 ⋅1911314473.

It is a cyclic number.

It is not a de Polignac number, because 78947941363 - 2¹³ = 78947933171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78947941343) 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, 204528153 + ... + 204528538.

It is an arithmetic number, because the mean of its divisors is an integer number (19839249562).

Almost surely, 2^78947941363 is an apocalyptic number.

78947941363 is a deficient number, since it is larger than the sum of its proper divisors (409056885).

78947941363 is a wasteful number, since it uses less digits than its factorization.

78947941363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409056884.

The product of its digits is 27433728, while the sum is 61.

The spelling of 78947941363 in words is "seventy-eight billion, nine hundred forty-seven million, nine hundred forty-one thousand, three hundred sixty-three".